search for: tp4630716p4630728

Displaying 1 result from an estimated 1 matches for "tp4630716p4630728".

2012 May 21
3
Prevent calculation when only NA
Hi everybody, I have a small question about R. I'm doing some correlation matrices between my files. These files contains each 4 columns of data. These data files contains missing data too. It could happen sometimes that in one file, one of the 4 columns contains only missing data NA. As I'm doing correlations between the same columns of each files, I get a correlation matrix with a