Try arcilla<-as.numeric(as.character(clay))
best milton On Tue, May 18, 2010 at 12:36 PM, Arantzazu Blanco Bernardeau < aramu...@hotmail.com> wrote: > > > sorry I had a mistake sending my question without a subject. I do resend > again. Please excuse me. > > Hello > > I have a data array with soil variables (caperf), in which the variable > "clay" is factor (as I see entering str(caperf)) . I need to do a regression > model, so I need to have arcilla (=clay) as a numeric variable. For that I > have entered > > > > as.numeric(as.character(arcilla)) > > > > and even entering > > 'as.numeric(levels(arcilla))[arcilla]'the variable is resting as factor, > and the linear model is not valid (for my purposes). > > The decimal commas have been converted to decimal points, so I have no > idea of what to do. > > Thanks a lot > > > > > > Arantzazu Blanco Bernardeau > > Dpto de Química Agrícola, Geología y Edafología > > Universidad de Murcia-Campus de Espinardo > > > > > > > > > > > > > > _________________________________________________________________ > > Diseñar aplicaciones tiene premio. ¡Si eres desarrollador no esperes más! > > http://www.imaginemobile.es > > _________________________________________________________________ > Recibe en tu HOTMAIL los emails de TODAS tus CUENTAS. + info > > ______________________________________________ > R-help@r-project.org mailing list > 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. > [[alternative HTML version deleted]]
______________________________________________ R-help@r-project.org mailing list 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.