Re: [R] Average of data files in a directory

regards, Peter Perez EMS Energy Institutute The Pennsylvania State University University Park, PA 16802 The mean function works in data.frames: lapply(loadfiles, mean) [[1]] Time Pressure 1. 323. [[2]] Time Pressure 1. 323. On Wed, Jul 1, 2009 at 1:50 PM, plpd00 plp

Re: [R] Average of data files in a directory

Hi Henrique, This works perfectly!. Thanks so much for your help. Best regards, Peter Henrique Dallazuanna wrote: Peter, Try this: apply(do.call(merge, c(loadfiles, by = Time))[2:3], 1, mean) On Thu, Jul 2, 2009 at 10:39 AM, Peter Perez plp...@gmail.com wrote: Hi, Thanks