I don't think there's an easy way, I think you need to write a macro to do it. Here's an example of bootstrap or Jackknife and your request would be very similar: http://support.sas.com/kb/24/982.html There will also be lots of papers on Lexjansen.com David Cassell's paper is well written and has good sample code on the Jackknife method (leave one out) that will also work for you. http://www.lexjansen.com/wuss/2009/anl/ANL-Cassell.pdf ... View more

It sounds like you have a few misconceptions.  Consider these basic concepts.   Both KON and UTB have a length of 8 characters.  That's the default length assigned for the style of INPUT statement that you are using.   When you refer to a variable, trailing blanks don't matter.  These statements always find the same matches:   if utb='GY' then do; if utb='GY     ' then do;   When SAS detects that it is comparing character strings that have different lengths, it automatically pads the shorter string with blanks to make the lengths equal.  (That is, for purposes of making the comparison ... it is not actually changing the values of any variables.)   Does that change the questions that you want to ask? ... View more

It works fine on my Mac using Chrome. To copy and paste, it does warn you but there's a way around it. I can't recall if you need to Right click or use the menu at the top to copy and paste. ... View more