//
//Softmax Regression.
//
//Syntax
softmax cat by x y z/
(options)
;
//Options
loop:nn //nn is number of loopmax for Newton Lapson method (default=100)
//Example
get iris.csv@;
softmax Species by SepalL SepalW PetalL PetalW/
loop=1000
;
//view Probability of target variable.
get freq@ana;
//view Weight for each cathcgorys
get socre@ana;