Change column names at once
Hello, I have a data table with several continuous columns, each column with a different name. I wish to: 1) duplicate continuous columns all at once; 2) rename these new columns with their original names (i.e., lady beetle) plus add "/100" to their names (i.e., column name would be: lady beetle/100) all at once; then 3) I want to multiply these new columns by 4 all at once (only the continuous co...