//
//select variable command
//

//Syntax
select [variables];

//Example 1
//Analysis for 5 subjects of school.
//Read score by Subjects. 
get prinA.csv@;

push table button to show readed data

view input data of school subjects 


//Execute correlation between subjects.
corr math science language english society;

push analysis button to show output

View tree analysis. math and science corr is high. 



//Transpose to applay principal composite.
transpose math science language english society;

push table button to show transpose data

view transpose data of school subjects 



//Save transpose data.
put dat;

//Execute principal composite.
prin col_1 - 7;

//select most 3 effecient eigen vectors.
get freq@ana;
select vector_0-2;

push table button to show transpose data

view 3 eigen vector of subjects 


//Save selected 3 eigen vector to calcurate score of eigen value.
put vec;

//Calculate score by 3 eigen vectors.
get dat;
mxmult col_1-7 by vec;


//Add subjects to score.
merge dat by #;
//Select 3 eigen vector and subject name.
select vector_0-2 _items_;


push table button to show transpose data

view score of school subjects by 3D eigen vecotr.



//View location of subjects by 3D eigen vectors.
plot scat vector_0-2 by _items_;


view relation between subjects in 3D eigen vector.