Information processing device, information processing method, and information processing program

An information processing device comprising:

• at least one memory configured to store computer program code;
• at least one processor configured to access said computer program code and operate as instructed by said computer program code, said computer program code including:
• candidate threshold value obtaining code configured to cause at least one of said at least one processor to obtain a plurality of candidates for a first threshold value and a plurality of candidates for a second threshold value, the first threshold value indicating a probability of occurrence for identifying at least one first outlier to be removed from among a target woman's plurality of past menstrual cycles, the second threshold value indicating a percentile for identifying at least one second outlier to be changed in length among the plurality of menstrual cycles;
• first cycle obtaining code configured to cause at least one of said at least one processor to obtain a base cycle and a plurality of reference cycles, from among the plurality of menstrual cycles;
• second cycle obtaining code configured to cause at least one of said at least one processor to obtain, for each combination of a candidate for the first threshold value and a candidate for the second threshold value that are obtained by the candidate threshold value obtaining code, the plurality of reference cycles modified by removing at least one reference cycle identified as the at least one first outlier based on the first threshold value from among the plurality of reference cycles and also by changing a length of at least one reference cycle identified as the at least one second outlier based on the second threshold value, among a plurality of reference cycles left after removal of the at least one reference cycle identified as the at least one first outlier, to a length corresponding to the second threshold value;
• representative value obtaining code configured to cause at least one of said at least one processor to obtain, for each combination of a candidate for the first threshold value and a candidate for the second threshold value that are obtained by the candidate threshold value obtaining code, a representative value of the plurality of reference cycles obtained by the second cycle obtaining code;
• comparing code configured to cause at least one of said at least one processor to compare the representative value obtained by the representative value obtaining code for each combination of a candidate for the first threshold value and a candidate for the second threshold value that are obtained by the candidate threshold value obtaining code with the base cycle obtained by the first cycle obtaining code;
• determining code configured to cause at least one of said at least one processor to determine a combination used to predict a length of a menstrual cycle, from among the plurality of combinations each being a candidate for the first threshold value and a candidate for the second threshold value that are obtained by the candidate threshold value obtaining code, based on results of comparisons by the comparing code;
• removal code configured to cause at least one of said at least one processor to remove at least one menstrual cycle identified as the at least one first outlier based on the first threshold value included in the combination determined by the determining code, from among the target woman's plurality of past menstrual cycles;
• changing code configured to cause at least one of said at least one processor to change a length of at least one menstrual cycle identified as the at least one second outlier based on the second threshold value included in the combination determined by the determining code, among the plurality of menstrual cycles left after the removing code removes the at least one menstrual cycle identified as the at least one first outlier, to a length corresponding to the second threshold value;
• and
• predicting code configured to cause at least one of said at least one processor to predict a length of the target woman's menstrual cycle, based on the plurality of menstrual cycles including the menstrual cycle changed in length by the changing code.

An information processing device comprising:

• threshold value obtaining code configured to cause at least one of said at least one processor to obtain a first threshold value and a second threshold value, the first threshold value indicating a probability of occurrence for identifying at least one first outlier to be removed from among a target woman's plurality of past menstrual cycles, the second threshold value indicating a percentile for identifying at least one second outlier to be changed in length among the plurality of menstrual cycles;
• removal code configured to cause at least one of said at least one processor to remove at least one menstrual cycle identified as the at least one first outlier based on the first threshold value obtained by the threshold value obtaining code, from among the plurality of menstrual cycles;
• changing code configured to cause at least one of said at least one processor to change a length of at least one menstrual cycle identified as the at least one second outlier based on the second threshold value obtained by the threshold value obtaining code, from among the plurality of menstrual cycles left after the removing code removes the at least one menstrual cycle identified as the at least one first outlier, to a length corresponding to the second threshold value;
• and
• predicting code configured to cause at least one of said at least one processor to predict a length of the target woman's menstrual cycle, based on the plurality of menstrual cycles including the menstrual cycle changed in length by the changing code.

An information processing device comprising:

• candidate threshold value obtaining code configured to cause at least one of said at least one processor to obtain a plurality of candidates for a threshold value for identifying at least one outlier included among a target woman's plurality of past menstrual cycles;
• first cycle obtaining code configured to cause at least one of said at least one processor to obtain a base cycle and a plurality of reference cycles, from among the plurality of menstrual cycles;
• second cycle obtaining code configured to cause at least one of said at least one processor to obtain, for each candidate for the threshold value obtained by the candidate threshold value obtaining code, the plurality of reference cycles modified by applying predetermined processing to at least one reference cycle identified as the at least one outlier based on the threshold value among the plurality of reference cycles;
• representative value obtaining code configured to cause at least one of said at least one processor to obtain, for each candidate for the threshold value obtained by the candidate threshold value obtaining code, a representative value of the plurality of reference cycles obtained by the second cycle obtaining code;
• comparing code configured to cause at least one of said at least one processor to compare, for each candidate for the threshold value obtained by the candidate threshold value obtaining code, the representative value obtained by the representative value obtaining code with the base cycle obtained by the first cycle obtaining code;
• and
• determining code configured to cause at least one of said at least one processor to code a threshold value used to predict a length of the target woman's menstrual cycle, from among the plurality of candidates for the threshold value obtained by the candidate threshold value obtaining code, based on results of comparisons by the comparing code.

An information processing method performed by a computer, the method comprising:

• obtaining a first threshold value and a second threshold value, the first threshold value indicating a probability of occurrence for identifying at least one first outlier to be removed from among a target woman's plurality of past menstrual cycles, the second threshold value indicating a percentile for identifying at least one second outlier to be changed in length among the plurality of menstrual cycles;
• removing at least one menstrual cycle identified as the at least one first outlier based on the obtained first threshold value, from among the plurality of menstrual cycles;
• changing a length of at least one menstrual cycle identified as the at least one second outlier based on the obtained second threshold value, among the plurality of menstrual cycles left after removal of the at least one menstrual cycle identified as the at least one first outlier, to a length corresponding to the second threshold value;
• and
• predicting a length of the target woman's menstrual cycle, based on the plurality of menstrual cycles including the menstrual cycle changed in length.

An information processing method performed by a computer, the method comprising:

• obtaining a plurality of candidates for a threshold value for identifying at least one outlier included among a target woman's plurality of past menstrual cycles;
• obtaining a base cycle and a plurality of reference cycles, from among the plurality of menstrual cycles;
• obtaining, for each obtained candidate for the threshold value, the plurality of reference cycles modified by applying predetermined processing to at least one reference cycle identified as the at least one outlier based on the threshold value among the plurality of reference cycles;
• obtaining, for each obtained candidate for the threshold value, a representative value of the obtained plurality of reference cycles;
• comparing, for each obtained candidate for the threshold value, the obtained representative value with the obtained base cycle;
• and
• determining a threshold value used to predict a length of the target woman's menstrual cycle, from among the obtained plurality of candidates for the threshold value, based on results of the comparisons.

A non-transitory computer readable medium storing thereon an information processing program, the information processing program causing a computer to:

• obtain a first threshold value and a second threshold value, the first threshold value indicating a probability of occurrence for identifying at least one first outlier to be removed from among a target woman's plurality of past menstrual cycles, the second threshold value indicating a percentile for identifying at least one second outlier to be changed in length among the plurality of menstrual cycles;
• remove at least one menstrual cycle identified as the at least one first outlier based on the first threshold value obtained, from among the plurality of menstrual cycles;
• change a length of at least one menstrual cycle identified as the at least one second outlier based on the second threshold value obtained, from among the plurality of menstrual cycles left after the removing of the at least one menstrual cycle identified as the at least one first outlier, to a length corresponding to the second threshold value;
• and
• predict a length of the target woman's menstrual cycle, based on the plurality of menstrual cycles including the menstrual cycle changed in length.

A non-transitory computer readable medium storing thereon an information processing program, the information processing program causing a computer to:

• obtain a plurality of candidates for a threshold value for identifying at least one outlier included among a target woman's plurality of past menstrual cycles;
• obtain a base cycle and a plurality of reference cycles, from among the plurality of menstrual cycles;
• obtain, for each candidate for the threshold value obtained, the plurality of reference cycles modified by applying predetermined processing to at least one reference cycle identified as the at least one outlier based on the threshold value among the plurality of reference cycles;
• obtain, for each candidate for the threshold value obtained, a representative value of the plurality of reference cycles obtained;
• compare, for each candidate for the threshold value obtained, the representative value obtained with the base cycle obtained;
• and
• determine a threshold value used to predict a length of the target woman's menstrual cycle, from among the plurality of candidates for the threshold value obtained, based on results of comparisons for each candidate for the threshold value obtained.