Thank you very much Bret. Best,
Manuel 2012/7/3 Bret Collier <b...@tamu.edu> > Not very elegant or efficient, but for only a couple of columns needing > left out something simple like this should work. > > xx=data.frame(x=c(2, 10), y=c(2, 0), z=c(4, 3)) > yy=xx[,2:3] > yy[yy!=0]=1 > data.frame(x=xx[,1], yy) > > bret > > > > > On 7/3/2012 9:18 PM, Manuel Spínola wrote: > >> 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> >>>> <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> >>> <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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