Hi Jim, Thank you. An additional question: as I have many columns to change in numeric, and the columns are long sentences, what is an efficient way to do this? I checked in StackOverflow but could not find the right answer Best Roberto
Op do 1 nov. 2018 om 00:25 schreef Jim Lemon <drjimle...@gmail.com>: > Hi Roberto, > Here is a snippet of code that translates the text responses of the > BIS-11 into numeric values. Note the reversal of the order in the > second item: > > BIS$Q1<-as.numeric(factor(BIS$Q1, > levels=c("Almost","Often","Occasionally","Rarely/Never"))) > BIS$Q2<-as.numeric(factor(BIS$Q2, > levels=c("Rarely/Never","Occasionally","Often","Almost"))) > ... > > Jim > On Thu, Nov 1, 2018 at 8:57 AM P. Roberto Bakker > <robertobak...@gmail.com> wrote: > > > > Hi Rich, > > > > Thank you for your answer. > > The sentences are strings (likert scale: 'the situation is highly > > applicable to me' etc - in Dutch), or column labels; it may be confusing > as > > it is in Dutch. Below I show you part of the dataframe with my annotation > > added (string/column lable) to give you an idea. > > I need to change the likert strings into numeric (1:5). And this is a > > challenge somehow. > > With dplyr, plyr it did not work. > > After I have the numeric version then I can stack them as suggested by > > David. > > > [[alternative HTML version deleted]] ______________________________________________ R-help@r-project.org mailing list -- To UNSUBSCRIBE and more, see https://stat.ethz.ch/mailman/listinfo/r-help PLEASE do read the posting guide http://www.R-project.org/posting-guide.html and provide commented, minimal, self-contained, reproducible code.