JSL question: select columns and replace missing values with zero
Hi, There are many numeric columns in the data table, and all of them have missing values in them. I want to select only few of them (considering that I know the column names already), and replace the missing values in them with zero.I wrote the code as follows, but it doesn't work. Could you help? Thanks! dt = data table("Untitled 9"); col_list = {"A","B"}; For( i = 1, i <= N Items( col_list ), ...