search for: t50937

...data I do some data processing (selection of observations, normalization, recoding of variables etc..). The result is stored in a new data.frame, however, in this new data.frame the value labels are lost. Example of what I do in code: # read raw data from spss rawdata <- read.spss("./data/T50937.SAV", use.value.labels=FALSE,to.data.frame=TRUE) # select the observations that we need diarydata <- rawdata[rawdata$D22==2 | rawdata$D22==3 | rawdata$D22==17 | rawdata$D22==18 | rawdata$D22==20 | rawdata$D22==22 | rawdata$D22==24 | rawdata$D22==33,] The result is that rawdata$D22 ha...