why certain categories are chosen but not others, in statistics? is lasso variable selection why certain categories are chosen why some variable are chosen but some aren't why specific categories are chosen but not others? what is the lasso selection variable what is the difference between a categorical variable and a statistical variable? how to select a variable using lasaso? which variable is chosen by lasso why does lasaso select only one category why certain categories are chosen but not others why certain categories are chosen but not others why are some categories only selected in lasao why certain categories are chosen but not others? why is the selection process for a variable more or less random? why certain categories are chosen but not all? what does lasso select? why certain categories are chosen but not others? why different categories are selected why is it called variable selection