Software introduction support device and software introduction support method

A non-transitory recording medium storing a program, which when executed by a computer, causes the computer to perform a software introduction support process, the process comprising:

• referencing a storage section storing one or more items of introduction actual-result information associating introduction sequence information regarding respective software items included in a software group with success or failure of introduction, and determining any correlations between introduction sequence information regarding respective software items included in a new introduction software group and the introduction sequence information stored in the storage section;
• in a case in which estimating whether or not introduction of the new introduction software group succeeds based on the result of the determination, reflecting in an estimation result any determination that the introduction sequence information regarding respective software items included in the new introduction software group partially matches the introduction sequence information stored in the storage section, as a positive element for the success or failure of the introduction of the new introduction software group, and reflecting in the estimation result any determination that a differently sequenced combination of the new introduction software group matches the introduction sequence information stored in the storage section, as a negative element for the success or failure of the introduction of the new introduction software group;
• assessing for software installation of the new introduction software group based on the estimation result;
• and
• installing the new introduction software group based on the assessing, wherein
• in a case in which estimating whether or not introduction of the new introduction software group succeeds, and in a case in which determination has been made that the introduction sequence information regarding respective software items included in the new introduction software group partially matches the introduction actual-result information associated with successful introduction, for each of a plurality of items of the introduction actual-result information associated with the successful introduction:
• computing a ratio between a number of software pairs that are sequenced following the introduction sequence information corresponding to the new introduction software group and that match software pairs sequenced following the introduction sequence information corresponding to the introduction actual-result information of successful introduction and a number of pairs included in a pair group of the software pairs sequenced following the introduction sequence information corresponding to the introduction actual-result information of the successful introduction,
• reflecting a successful maximum partial-match-pair content ratio that is a maximum value out of computed ratios in the estimation result as the positive element for the success, wherein
• in a case in which estimating whether or not introduction of the new introduction software group succeeds, and in a case in which determination has been made that the introduction sequence information regarding respective software items included in the new introduction software group partially matches the introduction actual-result information associated with the successful introduction, and that a differently sequenced combination of respective software items included in the new introduction software group matches the introduction actual-result information associated with the successful introduction:
• reflecting the successful maximum partial-match-pair content ratio in the estimation result as the element for the success, and
• for each of the plurality of items of introduction actual-result information associated with successful introduction,
• computing a success contradiction ratio representing a ratio between the number of pairs contained in a pair group having a greatest number of pairs from out of the pair group of software pairs sequenced following the introduction sequence information corresponding to the introduction actual-result information of successful introduction and a pair group including software pairs sequenced following the introduction sequence information corresponding to the new introduction software group, and a number of differently sequenced combinations of software pairs included in a lesser number pair group that match the software pairs included in the greater number pair group, and
• reflecting the success contradiction ratio in the estimation result as the positive element for the failure.

A non-transitory recording medium storing a program, which when executed by a computer, causes the computer to perform a software introduction support process, the process comprising:

• referencing a storage section storing one or more items of introduction actual-result information associating introduction sequence information regarding respective software items included in a software group with success or failure of introduction, and determining any correlations between introduction sequence information regarding respective software items included in a new introduction software group and the introduction sequence information stored in the storage section;
• in a case in which estimating whether or not introduction of the new introduction software group succeeds based on the result of the determination, reflecting in an estimation result any determination that the introduction sequence information regarding respective software items included in the new introduction software group partially matches the introduction sequence information stored in the storage section, as a positive element for the success or failure of the introduction of the new introduction software group, and reflecting in the estimation result any determination that a differently sequenced combination of the new introduction software group matches the introduction sequence information stored in the storage section, as a negative element for the success or failure of the introduction of the new introduction software group;
• assessing for software installation of the new introduction software group based on the estimation result;
• and
• installing the new introduction software group based on the assessing, wherein
• in a case in which estimating whether or not introduction of the new introduction software group succeeds, and in a case in which determination has been made that the introduction sequence information regarding respective software items included in the new introduction software group partially matches the introduction actual-result information associated with successful introduction, for each of a plurality of items of the introduction actual-result information associated with the successful introduction:
• computing a ratio between a number of software pairs that are sequenced following the introduction sequence information corresponding to the new introduction software group and that match software pairs sequenced following the introduction sequence information corresponding to the introduction actual-result information of successful introduction and a number of pairs included in a pair group of the software pairs sequenced following the introduction sequence information corresponding to the introduction actual-result information of the successful introduction,
• reflecting a successful maximum partial-match-pair content ratio that is a maximum value out of computed ratios in the estimation result as the positive element for the success, wherein
• in a case in which estimating whether or not introduction of the new introduction software group succeeds, and in a case in which determination has been made that the introduction sequence information regarding respective software items included in the new introduction software group partially matches the introduction actual-result information associated with the successful introduction, and that the introduction sequence information regarding respective software items included in the new introduction software group partially matches the introduction actual-result information associated with a failed introduction:
• reflecting the successful maximum partial-match-pair content ratio in the estimation result as the element for the success, and
• for each of the plurality of items of introduction actual-result information associated with the failed introduction,
• computing ratios between a number of software pairs that are sequenced following the introduction sequence information corresponding to the new introduction software group and that match the software pairs sequenced following the introduction sequence information corresponding to the introduction actual-result information of the failed introduction, and a number of pairs included in the pair group that includes software pairs sequenced following the software introduction sequence information corresponding to the introduction actual-result information of the failed introduction, and reflecting a failure maximum partial-match-pair content ratio representing the maximum value out of the computed ratios in the estimation result as the positive element for the failure.

A non-transitory recording medium storing a program, which when executed by a computer, causes the computer to perform a software introduction support process, the process comprising:

• referencing a storage section storing one or more items of introduction actual-result information associating introduction sequence information regarding respective software items included in a software group with success or failure of introduction, and determining any correlations between introduction sequence information regarding respective software items included in a new introduction software group and the introduction sequence information stored in the storage section;
• in a case in which estimating whether or not introduction of the new introduction software group succeeds based on the result of the determination, reflecting in an estimation result any determination that the introduction sequence information regarding respective software items included in the new introduction software group partially matches the introduction sequence information stored in the storage section, as a positive element for the success or failure of the introduction of the new introduction software group, and reflecting in the estimation result any determination that a differently sequenced combination of the new introduction software group matches the introduction sequence information stored in the storage section, as a negative element for the success or failure of the introduction of the new introduction software group;
• assessing for software installation of the new introduction software group based on the estimation result;
• and
• installing the new introduction software group based on the assessing, wherein
• in a case in which estimating whether or not introduction of the new introduction software group succeeds, and in a case in which determination has been made that the introduction sequence information regarding respective software items included in the new introduction software group partially matches the introduction actual-result information associated with successful introduction, for each of a plurality of items of the introduction actual-result information associated with the successful introduction:
• computing a ratio between a number of software pairs that are sequenced following the introduction sequence information corresponding to the new introduction software group and that match software pairs sequenced following the introduction sequence information corresponding to the introduction actual-result information of successful introduction and a number of pairs included in a pair group of the software pairs sequenced following the introduction sequence information corresponding to the introduction actual-result information of the successful introduction,
• reflecting a successful maximum partial-match-pair content ratio that is a maximum value out of computed ratios in the estimation result as the positive element for the success, wherein
• in a case in which estimating whether or not introduction of the new introduction software group succeeds, and in a case in which determination has been made that the introduction sequence information regarding respective software items included in the new introduction software group partially matches the introduction actual-result information associated with the successful introduction, and that a differently sequenced combination of respective software items included in the new introduction software group matches the introduction actual-result information associated with a failed introduction:
• reflecting the successful maximum partial-match-pair content ratio in the estimation result as the element for the success, and
• for each of the plurality of items of introduction actual-result information associated with failed introduction,
• computing a failure contradiction ratio representing a ratio between the number of pairs contained in a pair group having a greatest number of pairs from out of a pair group of software pairs sequenced following the introduction sequence information corresponding to the introduction actual-result information of the failed introduction and a pair group including software pairs sequenced following the introduction sequence information corresponding to the new introduction software group, and a number of differently sequenced combinations of software pairs included in a lesser number pair group that match the software pairs included in the greater number pair group, and reflecting the failed contradiction ratio in the estimation result as the element for the success.

A software introduction support device comprising:

• a memory;
• and
• a processor coupled to the memory and the processor configured to:
• reference a storage section storing one or more items of introduction actual-result information associating introduction sequence information regarding respective software items included in a software group with success or failure of introduction, and determine any correlations between introduction sequence information regarding respective software items included in a new introduction software group and the introduction sequence information stored in the storage section;
• in a case in which estimating whether or not introduction of the new introduction software group succeeds based on the result of the determination, reflect in an estimation result any determination that the introduction sequence information regarding respective software items included in the new introduction software group partially matches the introduction sequence information stored in the storage section, as a positive element for the success or failure of the introduction of the new introduction software group, and reflect in the estimation result any determination that a differently sequenced combination of the introduction software group matches the introduction sequence information stored in the storage section, as a negative element for the success or failure of the introduction of the new introduction software group;
• assess for software installation of the new introduction software group based on the estimation result;
• and
• install the new introduction software group based on the assessing, wherein
• in a case in which estimating whether or not introduction of the new introduction software group succeeds, and in a case in which determination has been made that the introduction sequence of the introduction software group partially matches the introduction actual-result information associated with successful introduction, for each of a plurality of items of the introduction actual-result information associated with successful introduction, ratios are computed between the number of software pairs that are sequenced following the introduction sequence information corresponding to the new introduction software group and that match software pairs sequenced following the introduction sequence information corresponding to the introduction actual-result information of successful introduction, and the number of pairs included in a pair group of the software pairs sequenced following the introduction sequence information corresponding to the introduction actual-result information of the successful introduction, and a successful maximum partial-match-pair content ratio that is a maximum value out of the computed ratios is reflected in the estimation result as the positive element for the success, wherein
• in a case in which estimating whether or not introduction of the new introduction software group succeeds, and in a case in which determination has been made that the introduction sequence of the introduction software group partially matches the introduction actual-result information associated with successful introduction:
• a successful partial-match-pair type coverage ratio is computed representing a ratio between the number of pairs included in a pair group that includes the software pairs sequenced following the introduction sequence information corresponding to the new introduction software group, and the number of software pairs that are included in a pair group corresponding to the new introduction software group and that match software pairs in the introduction sequence information corresponding to the plurality of items of introduction actual-result information associated with successful introduction;
• and
• a successful match ratio is computed representing partial matches to the introduction actual-result information of successful introduction according to the successful maximum partial-match-pair content ratio, and according to the difference between the successful maximum partial-match-pair content ratio and the successful partial-match-pair type coverage ratio, and the successful match ratio is reflected in the estimation result as the positive element for the success.

A software introduction support device comprising:

• a memory;
• and
• a processor coupled to the memory and the processor configured to:
• reference a storage section storing one or more items of introduction actual-result information associating introduction sequence information regarding respective software items included in a software group with success or failure of introduction, and determine any correlations between introduction sequence information regarding respective software items included in a new introduction software group and the introduction sequence information stored in the storage section;
• in a case in which estimating whether or not introduction of the new introduction software group succeeds based on the result of the determination, reflect in an estimation result any determination that the introduction sequence information regarding respective software items included in the new introduction software group partially matches the introduction sequence information stored in the storage section, as a positive element for the success or failure of the introduction of the new introduction software group, and reflect in the estimation result any determination that a differently sequenced combination of the introduction software group matches the introduction sequence information stored in the storage section, as a negative element for the success or failure of the introduction of the new introduction software group;
• assess for software installation of the new introduction software group based on the estimation result;
• and
• install the new introduction software group based on the assessing, wherein
• in a case in which estimating whether or not introduction of the new introduction software group succeeds, and in a case in which determination has been made that the introduction sequence of the introduction software group partially matches the introduction actual-result information associated with successful introduction, for each of a plurality of items of the introduction actual-result information associated with successful introduction, ratios are computed between the number of software pairs that are sequenced following the introduction sequence information corresponding to the new introduction software group and that match software pairs sequenced following the introduction sequence information corresponding to the introduction actual-result information of successful introduction, and the number of pairs included in the pair group of the software pairs sequenced following the introduction sequence information corresponding to the introduction actual-result information of the successful introduction, and a successful maximum partial-match-pair content ratio that is a maximum value out of the computed ratios is reflected in the estimation result as the positive element for the success, wherein
• in a case in which estimating whether or not introduction of the new introduction software group succeeds, and in a case in which determination has been made that the introduction sequence information regarding respective software items included in the new introduction software group partially matches the introduction actual-result information associated with the successful introduction, and that a differently sequenced combination of respective software items included in the new introduction software group matches the introduction actual-result information associated with successful introduction:
• the successful maximum partial-match-pair content ratio is reflected in the estimation result as the element for the success, and
• for each of the plurality of items of introduction actual-result information associated with successful introduction, a success contradiction ratio is computed representing a ratio between the number of pairs contained in a pair group having a greatest number of pairs from out of the pair group of software pairs sequenced following the introduction sequence information corresponding to the introduction actual-result information of successful introduction and a pair group including software pairs sequenced following the introduction sequence information corresponding to the new introduction software group, and a number of differently sequenced combinations of software pairs included in a lesser number pair group that match the software pairs included in the greater number pair group, and
• the success contradiction ratio is reflected in the estimation result as the positive element for the failure.

A software introduction support method comprising:

• by a processor,
• referencing a storage section storing one or more items of introduction actual-result information associating introduction sequence information regarding respective software items included in a software group with success or failure of introduction, and determining any correlations between introduction sequence information regarding respective software items included in a new introduction software group and the introduction sequence information stored in the storage section;
• in a case in which estimating whether or not introduction of the new introduction software group succeeds based on the result of the determination, reflecting in an estimation result any determination that the introduction sequence information regarding respective software items included in the new introduction software group partially matches the introduction sequence information stored in the storage section, as a positive element for the success or failure of the introduction of the new introduction software group, and reflecting in the estimation result any determination that a differently sequenced combination of the new introduction software group matches the introduction sequence information stored in the storage section, as a negative element for the success or failure of the introduction of the new introduction software group;
• assessing for software installation of the new introduction software group based on the estimation result;
• and
• installing the new introduction software group based on the assessing, wherein
• in a case in which estimating whether or not introduction of the new introduction software group succeeds, and in a case in which determination has been made that the introduction sequence information regarding respective software items included in the new introduction software group partially matches the introduction actual-result information associated with successful introduction, for each of a plurality of items of the introduction actual-result information associated with the successful introduction:
• computing a ratio between a number of software pairs that are sequenced following the introduction sequence information corresponding to the new introduction software group and that match software pairs sequenced following the introduction sequence information corresponding to the introduction actual-result information of successful introduction and a number of pairs included in a pair group of the software pairs sequenced following the introduction sequence information corresponding to the introduction actual-result information of the successful introduction,
• reflecting a successful maximum partial-match-pair content ratio that is a maximum value out of computed ratios in the estimation result as the positive element for the success,
• computing a successful partial-match-pair type coverage ratio representing a ratio between the number of pairs included in a pair group that includes the software pairs sequenced following the introduction sequence information corresponding to the new introduction software group, and the number of software pairs that are included in a pair group corresponding to the new introduction software group and that match software pairs in the introduction sequence information corresponding to the plurality of items of introduction actual-result information associated with successful introduction, and
• computing a successful match ratio representing partial matches to the introduction actual-result information of successful introduction according to the successful maximum partial-match-pair content ratio, and according to the difference between the successful maximum partial-match-pair content ratio and the successful partial-match-pair type coverage ratio, and the successful match ratio is reflected in the estimation result as the positive element for the success.

A software introduction support device comprising:

• a memory;
• and
• a processor coupled to the memory and the processor configured to:
• reference a storage section storing one or more items of introduction actual-result information associating introduction sequence information regarding respective software items included in a software group with success or failure of introduction, and determine any correlations between introduction sequence information regarding respective software items included in a new introduction software group and the introduction sequence information stored in the storage section;
• in a case in which estimating whether or not introduction of the new introduction software group succeeds based on the result of the determination, reflect in an estimation result any determination that the introduction sequence information regarding respective software items included in the new introduction software group partially matches the introduction sequence information stored in the storage section, as a positive element for the success or failure of the introduction of the new introduction software group, and reflect in the estimation result any determination that a differently sequenced combination of the introduction software group matches the introduction sequence information stored in the storage section, as a negative element for the success or failure of the introduction of the new introduction software group;
• assess for software installation of the new introduction software group based on the estimation result;
• and
• install the new introduction software group based on the assessing, wherein
• in a case in which estimating whether or not introduction of the new introduction software group succeeds, and in a case in which determination has been made that the introduction sequence of the introduction software group partially matches the introduction actual-result information associated with successful introduction, for each of a plurality of items of the introduction actual-result information associated with successful introduction, ratios are computed between a number of software pairs that are sequenced following the introduction sequence information corresponding to the new introduction software group and that match software pairs sequenced following the introduction sequence information corresponding to the introduction actual-result information of successful introduction, and a number of pairs included in a pair group of the software pairs sequenced following the introduction sequence information corresponding to the introduction actual-result information of the successful introduction, and a successful maximum partial-match-pair content ratio that is a maximum value out of the computed ratios is reflected in the estimation result as the positive element for the success, wherein
• in a case in which estimating whether or not introduction of the new introduction software group succeeds, and in a case in which determination has been made that the introduction sequence information regarding respective software items included in the new introduction software group partially matches the introduction actual-result information associated with the successful introduction, and that the introduction sequence information regarding respective software items included in the new introduction software group partially matches the introduction actual-result information associated with a failed introduction, the successful maximum partial-match-pair content ratio in the estimation result if reflected as the element for the success, and for each of the plurality of items of introduction actual-result information associated with the failed introduction, ratios are computed between a number of software pairs that are sequenced following the introduction sequence information corresponding to the new introduction software group and that match the software pairs sequenced following the introduction sequence information corresponding to the introduction actual-result information of the failed introduction, and a number of pairs included in the pair group that includes software pairs sequenced following the software introduction sequence information corresponding to the introduction actual-result information of the failed introduction, and reflecting a failure maximum partial-match-pair content ratio representing the maximum value out of the computed ratios in the estimation result as the positive element for the failure.

A software introduction support device comprising:

• a memory;
• and
• a processor coupled to the memory and the processor configured to:
• reference a storage section storing one or more items of introduction actual-result information associating introduction sequence information regarding respective software items included in a software group with success or failure of introduction, and determine any correlations between introduction sequence information regarding respective software items included in a new introduction software group and the introduction sequence information stored in the storage section;
• in a case in which estimating whether or not introduction of the new introduction software group succeeds based on the result of the determination, reflect in an estimation result any determination that the introduction sequence information regarding respective software items included in the new introduction software group partially matches the introduction sequence information stored in the storage section, as a positive element for the success or failure of the introduction of the new introduction software group, and reflect in the estimation result any determination that a differently sequenced combination of the introduction software group matches the introduction sequence information stored in the storage section, as a negative element for the success or failure of the introduction of the new introduction software group;
• assess for software installation of the new introduction software group based on the estimation result;
• and
• install the new introduction software group based on the assessing, wherein
• in a case in which estimating whether or not introduction of the new introduction software group succeeds, and in a case in which determination has been made that the introduction sequence of the introduction software group partially matches the introduction actual-result information associated with successful introduction, for each of a plurality of items of the introduction actual-result information associated with successful introduction, ratios are computed between a number of software pairs that are sequenced following the introduction sequence information corresponding to the new introduction software group and that match software pairs sequenced following the introduction sequence information corresponding to the introduction actual-result information of successful introduction, and a number of pairs included in a pair group of the software pairs sequenced following the introduction sequence information corresponding to the introduction actual-result information of the successful introduction, and a successful maximum partial-match-pair content ratio that is a maximum value out of the computed ratios is reflected in the estimation result as the positive element for the success, wherein
• in a case in which estimating whether or not introduction of the new introduction software group succeeds, and in a case in which determination has been made that the introduction sequence information regarding respective software items included in the new introduction software group partially matches the introduction actual-result information associated with the successful introduction, and that a differently sequenced combination of respective software items included in the new introduction software group matches the introduction actual-result information associated with a failed introduction, the successful maximum partial-match-pair content ratio is reflected in the estimation result as the element for the success, and
• for each of the plurality of items of introduction actual-result information associated with the failed introduction, a failure contradiction ratio is computed representing a ratio between the number of pairs contained in a pair group having a greatest number of pairs from out of a pair group of software pairs sequenced following the introduction sequence information corresponding to the introduction actual-result information of the failed introduction and a pair group including software pairs sequenced following the introduction sequence information corresponding to the new introduction software group, and a number of differently sequenced combinations of software pairs included in a lesser number pair group that match the software pairs included in the greater number pair group, and reflecting the failed contradiction ratio in the estimation result as the element for the success.

A software introduction support method comprising:

• by a processor,
• referencing a storage section storing one or more items of introduction actual-result information associating introduction sequence information regarding respective software items included in a software group with success or failure of introduction, and determining any correlations between introduction sequence information regarding respective software items included in a new introduction software group and the introduction sequence information stored in the storage section;
• in a case in which estimating whether or not introduction of the new introduction software group succeeds based on the result of the determination, reflecting in an estimation result any determination that the introduction sequence information regarding respective software items included in the new introduction software group partially matches the introduction sequence information stored in the storage section, as a positive element for the success or failure of the introduction of the new introduction software group, and reflecting in the estimation result any determination that a differently sequenced combination of the new introduction software group matches the introduction sequence information stored in the storage section, as a negative element for the success or failure of the introduction of the new introduction software group;
• assessing for software installation of the new introduction software group based on the estimation result;
• and
• installing the new introduction software group based on the assessing, wherein
• in a case in which estimating whether or not introduction of the new introduction software group succeeds, and in a case in which determination has been made that the introduction sequence information regarding respective software items included in the new introduction software group partially matches the introduction actual-result information associated with successful introduction, for each of a plurality of items of the introduction actual-result information associated with the successful introduction:
• computing a ratio between a number of software pairs that are sequenced following the introduction sequence information corresponding to the new introduction software group and that match software pairs sequenced following the introduction sequence information corresponding to the introduction actual-result information of successful introduction and a number of pairs included in a pair group of the software pairs sequenced following the introduction sequence information corresponding to the introduction actual-result information of the successful introduction,
• reflecting a successful maximum partial-match-pair content ratio that is a maximum value out of computed ratios in the estimation result as the positive element for the success, wherein
• in a case in which estimating whether or not introduction of the new introduction software group succeeds, and in a case in which determination has been made that the introduction sequence information regarding respective software items included in the new introduction software group partially matches the introduction actual-result information associated with the successful introduction, and that a differently sequenced combination of respective software items included in the new introduction software group matches the introduction actual-result information associated with the successful introduction:
• reflecting the successful maximum partial-match-pair content ratio in the estimation result as the element for the success, and
• for each of the plurality of items of introduction actual-result information associated with successful introduction,
• computing a success contradiction ratio representing a ratio between the number of pairs contained in a pair group having a greatest number of pairs from out of the pair group of software pairs sequenced following the introduction sequence information corresponding to the introduction actual-result information of successful introduction and a pair group including software pairs sequenced following the introduction sequence information corresponding to the new introduction software group, and a number of differently sequenced combinations of software pairs included in a lesser number pair group that match the software pairs included in the greater number pair group, and
• reflecting the success contradiction ratio in the estimation result as the positive element for the failure.

A software introduction support method comprising:

• by a processor,
• referencing a storage section storing one or more items of introduction actual-result information associating introduction sequence information regarding respective software items included in a software group with success or failure of introduction, and determining any correlations between introduction sequence information regarding respective software items included in a new introduction software group and the introduction sequence information stored in the storage section;
• in a case in which estimating whether or not introduction of the new introduction software group succeeds based on the result of the determination, reflecting in an estimation result any determination that the introduction sequence information regarding respective software items included in the new introduction software group partially matches the introduction sequence information stored in the storage section, as a positive element for the success or failure of the introduction of the new introduction software group, and reflecting in the estimation result any determination that a differently sequenced combination of the new introduction software group matches the introduction sequence information stored in the storage section, as a negative element for the success or failure of the introduction of the new introduction software group;
• assessing for software installation of the new introduction software group based on the estimation result;
• and
• installing the new introduction software group based on the assessing, wherein
• in a case in which estimating whether or not introduction of the new introduction software group succeeds, and in a case in which determination has been made that the introduction sequence information regarding respective software items included in the new introduction software group partially matches the introduction actual-result information associated with successful introduction, for each of a plurality of items of the introduction actual-result information associated with the successful introduction:
• computing a ratio between a number of software pairs that are sequenced following the introduction sequence information corresponding to the new introduction software group and that match software pairs sequenced following the introduction sequence information corresponding to the introduction actual-result information of successful introduction and a number of pairs included in a pair group of the software pairs sequenced following the introduction sequence information corresponding to the introduction actual-result information of the successful introduction,
• reflecting a successful maximum partial-match-pair content ratio that is a maximum value out of computed ratios in the estimation result as the positive element for the success, wherein
• in a case in which estimating whether or not introduction of the new introduction software group succeeds, and in a case in which determination has been made that the introduction sequence information regarding respective software items included in the new introduction software group partially matches the introduction actual-result information associated with the successful introduction, and that the introduction sequence information regarding respective software items included in the new introduction software group partially matches the introduction actual-result information associated with a failed introduction:
• reflecting the successful maximum partial-match-pair content ratio in the estimation result as the element for the success, and
• for each of the plurality of items of introduction actual-result information associated with the failed introduction,
• computing ratios between a number of software pairs that are sequenced following the introduction sequence information corresponding to the new introduction software group and that match the software pairs sequenced following the introduction sequence information corresponding to the introduction actual-result information of the failed introduction, and a number of pairs included in the pair group that includes software pairs sequenced following the software introduction sequence information corresponding to the introduction actual-result information of the failed introduction, and reflecting a failure maximum partial-match-pair content ratio representing the maximum value out of the computed ratios in the estimation result as the positive element for the failure.

A software introduction support method comprising:

• by a processor,
• referencing a storage section storing one or more items of introduction actual-result information associating introduction sequence information regarding respective software items included in a software group with success or failure of introduction, and determining any correlations between introduction sequence information regarding respective software items included in a new introduction software group and the introduction sequence information stored in the storage section;
• in a case in which estimating whether or not introduction of the new introduction software group succeeds based on the result of the determination, reflecting in an estimation result any determination that the introduction sequence information regarding respective software items included in the new introduction software group partially matches the introduction sequence information stored in the storage section, as a positive element for the success or failure of the introduction of the new introduction software group, and reflecting in the estimation result any determination that a differently sequenced combination of the new introduction software group matches the introduction sequence information stored in the storage section, as a negative element for the success or failure of the introduction of the new introduction software group;
• assessing for software installation of the new introduction software group based on the estimation result;
• and
• installing the new introduction software group based on the assessing, wherein
• in a case in which estimating whether or not introduction of the new introduction software group succeeds, and in a case in which determination has been made that the introduction sequence information regarding respective software items included in the new introduction software group partially matches the introduction actual-result information associated with successful introduction, for each of a plurality of items of the introduction actual-result information associated with the successful introduction:
• computing a ratio between a number of software pairs that are sequenced following the introduction sequence information corresponding to the new introduction software group and that match software pairs sequenced following the introduction sequence information corresponding to the introduction actual-result information of successful introduction and a number of pairs included in a pair group of the software pairs sequenced following the introduction sequence information corresponding to the introduction actual-result information of the successful introduction,
• reflecting a successful maximum partial-match-pair content ratio that is a maximum value out of computed ratios in the estimation result as the positive element for the success, wherein
• in a case in which estimating whether or not introduction of the new introduction software group succeeds, and in a case in which determination has been made that the introduction sequence information regarding respective software items included in the new introduction software group partially matches the introduction actual-result information associated with the successful introduction, and that a differently sequenced combination of respective software items included in the new introduction software group matches the introduction actual-result information associated with a failed introduction:
• reflecting the successful maximum partial-match-pair content ratio in the estimation result as the element for the success, and
• for each of the plurality of items of introduction actual-result information associated with failed introduction,
• computing a failure contradiction ratio representing a ratio between the number of pairs contained in a pair group having a greatest number of pairs from out of a pair group of software pairs sequenced following the introduction sequence information corresponding to the introduction actual-result information of the failed introduction and a pair group including software pairs sequenced following the introduction sequence information corresponding to the new introduction software group, and a number of differently sequenced combinations of software pairs included in a lesser number pair group that match the software pairs included in the greater number pair group, and reflecting the failed contradiction ratio in the estimation result as the element for the success.