Thank you Bret. What if I need to leave out some variables from my data frame. I have 22 variables and I need to leave the 2 first variables out of the condition.
Best, Manuel 2012/7/3 Bret Collier <b...@tamu.edu> > Manuel, > Something like this should work for your example. > > xx=data.frame(x=c(2, 10), y=c(2, 0)) > xx[xx!=0]=1 > xx > x y > 1 1 1 > 2 1 0 > > Bret > > > On 7/3/2012 8:12 PM, Manuel Spínola wrote: > >> Dear list members, >> >> I want to recode a data frame but do it for several variables at the same >> time. I want to give all the values > or equal than 1 a value of 1 and >> all >> the remaining values (0) keep in 0. >> >> data.frame: newdf >> >> var1 var2 var3 var4 >> A 1 0 4 >> B 3 2 1 >> C 0 5 1 >> >> My real data frame has several more variables. >> >> I am using the recode function from the epicalc package: >> >> recode(vars=newdf[, 2:4], old.value= newdf[, 2:4] >= 1, new.value=1) >>> >> >> Error en recode.default(vars = newdf[, 2:4], old.value = newdf[, 2:4] >= >> : >> objeto '.data' no encontrado >> >> I guess I am not setting the condition in a proper way. >> >> Best, >> >> Manuel >> >> >> >> ______________________________**_________________ >> R-sig-ecology mailing list >> R-sig-ecology@r-project.org >> https://stat.ethz.ch/mailman/**listinfo/r-sig-ecology<https://stat.ethz.ch/mailman/listinfo/r-sig-ecology> >> >> > ______________________________**_________________ > R-sig-ecology mailing list > R-sig-ecology@r-project.org > https://stat.ethz.ch/mailman/**listinfo/r-sig-ecology<https://stat.ethz.ch/mailman/listinfo/r-sig-ecology> > -- *Manuel Spínola, Ph.D.* Instituto Internacional en Conservación y Manejo de Vida Silvestre Universidad Nacional Apartado 1350-3000 Heredia COSTA RICA mspin...@una.ac.cr mspinol...@gmail.com Teléfono: (506) 2277-3598 Fax: (506) 2237-7036 Personal website: Lobito de río <https://sites.google.com/site/lobitoderio/> Institutional website: ICOMVIS <http://www.icomvis.una.ac.cr/> [[alternative HTML version deleted]]
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