Re: [R] Error 0ps.factor: level sets of factors are different

5 NA #6   6 NA #7   7 NA #8   8 NA #9   9    158 #10 10    176 A.K. - Original Message - From: lind35 To: r-help@r-project.org Cc: Sent: Wednesday, November 28, 2012 9:42 PM Subject: [R] Error 0ps.factor: level sets of factors are different I have two data sets:

[R] Error 0ps.factor: level sets of factors are different

I have two data sets: "new" and "combo". Within both data set, each row pertains to a unique individual. The "combo" data set is a subset of the "new" data set, meaning that all individuals within "combo" are within "new" but not all individuals within "new" are within "combo". Thus, nrow(new) > nr