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Hello, I have a data.frame called spec containing data about samples. But I don't have these data for all my samples. So if I have data (that is code of the sample is in spec$Code), I would like to assign data1 to the variable m. If I don't have this data, I would like to assign 1 to m. I tried this : m<-spec$data1[spec$Code==code]*(code %in%specmodules$Code) + 1*(!code %in%

I'm trying to make a loopo with some file.... > > library(dplR) > files.rwl <- system("ls *.rwl", intern=TRUE) > files.rwl [1] "cimfasy.rwl" "rocquce.rwl" > for (i in files.rwl) assign(gsub("\\.rwl$", "_rwl", i), read.rwl(i, header=0)) There are 70 series There are 21 series > > cimfasy_rwl 1990 1.55 0.00

Hello all, I apologize for a terribly simple question. I'm used to using Stata and am trying to `switch' over to R. I would like to recode a vector in a data frame when the value of it meets the following condition: if (dataframe$factor=='3'){dataframe$thevector<-(an arithmetic mean). What I would like to result is the creation of a new variable within the data frame for