subject:"\[R\] Adding Column to a Data Frame"

Re: [R] Adding Column to a Data Frame

2015-03-12 Thread David L Carlson

arlson Department of Anthropology Texas A&M University College Station, TX 77840-4352 -Original Message- From: R-help [mailto:r-help-boun...@r-project.org] On Behalf Of Lauren O'Connell Sent: Wednesday, March 11, 2015 11:02 AM To: r-help@r-project.org Subject: [R] Adding Column to a Dat

[R] Adding Column to a Data Frame

2015-03-11 Thread Lauren O'Connell

I am trying to add a column with data to a data frame that already has information but am getting this error: > rich.stats4 = merge(rich.stats,Location,Month,by="X.SampleID") Error in fix.by(by.x, x) : 'by' must specify one or more columns as numbers, names or logical I have two separate data