//
//Making table data from freqency data which may be divided number by 2 class.
//
//Quation
//This command needs data which is consited of 3 colomns as user item number.
//
//Syntax
table score by user item;
//
//Options
//
method=sum //score is used by sum of score;
method=ave //(defalut) score is used by score average.
method=no //score is used count.
method=bool //score is used exist or no exist.
//
//Example
//
//Read minority data in a American bank.
//Get freqency number of minority or not by jobcat.
//This command makes the table which consits of number by minority and jobcat.
//
get bankr.csv@
//
//Make score list by user and item widhout unkown score.
//
count minority jobcat;
get freq@ana;
table COUNT by itemcat minority;
get freq@ana;