Hi Nelly, It would be helpful to see what you are actually trying to convert:
strtoi("1") [1] 1 What is in set[10,1]? Jim On Thu, Aug 31, 2017 at 2:01 PM, Nelly Reduan <nell.r...@hotmail.fr> wrote: > Thanks very much for your answer. > > I’m trying the function “strtoi” but it fails to convert character to > numeric after the command "set[index] <- strtoi(set[index])". > > > > strtoi(set[index]) ## This works: all values are numeric !!! > > [1] 1 2 3 4 2 8 9 7 > > > > > set[index] <- strtoi(set[index]) > > > > > print(set[10,1]) ## Problem: must be numeric !!!! > > [1] "1" > > Thanks very much for your help. > Nell > > ------------------------------ > *De :* Jim Lemon <drjimle...@gmail.com> > *Envoyé :* mercredi 30 août 2017 15:00:32 > *À :* Nelly Reduan; r-help mailing list > *Objet :* Re: [R] Converting character to numeric using the package > "XLConnect" > > Hi Nelly, > Are you trying to convert hexadecimal to decimal? > > nrdf > Setting Value > 1 Parameters a > 2 Parameters b > 3 Parameters c > 4 Parameters d > 5 Parameters e > 6 Parameters 2 > 7 Parameters 8 > 8 Parameters 9 > 9 Parameters 7 > 10 1 a > 11 2 b > 12 3 c > 13 4 d > > strtoi(nrdf$Value,16) > [1] 10 11 12 13 14 2 8 9 7 10 11 12 13 > > Jim > > On Thu, Aug 31, 2017 at 6:30 AM, Nelly Reduan <nell.r...@hotmail.fr> > wrote: > > The Excel file can be found from this link: https://1drv.ms/x/s! > Apkg2VlgfYyDgQ_mcJ8F4CaXV_Nh > [[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.