search for: tbarms2

Displaying 1 result from an estimated 1 matches for "tbarms2".

2010 Dec 14
0
Merge() error
...tion, and the strange thing is that changing the order of the data frames that I'm merging can remove the error. For example: bt <- merge(assessmentb, assessmentb2, by=("caseid"), all=TRUE) bt <- merge(bt, tbassessment2, by=("caseid"), all=TRUE) bt <- merge(bt, tbarms2, by=("caseid"), all=TRUE) bt <- merge(bt, tbstudydetail, by=("caseid"), all=TRUE) But if I change it to: bt <- merge(assessmentb, assessmentb2, by=("caseid"), all=TRUE) bt <- merge(bt, tbarms2, by=("caseid"), all=TRUE) bt <- merge(bt, tbstu...