search for: tp3168884p3168906

Displaying 1 result from an estimated 1 matches for "tp3168884p3168906".

2010 Dec 30
3
drop observations
Hi, I want to drop observations with value 0 from my data.frame "dta" for each of the two variables "c01" and "ctotale". How can I do that? Thanks Charlène Lisa Cosandier [[alternative HTML version deleted]]