This is that i obtained. There isn't a method to replace the NA values only for character variable?
2007/3/30, Gabor Grothendieck <[EMAIL PROTECTED]>: > > I assume you are referring to na.roughfix in randomForest. I don't think > it > works for logical vectors or for factors outside of data frames: > > > library(randomForest) > > DF <- data.frame(a = c(T, F, T, NA, T), b = c(1:3, NA, 5)) > > na.roughfix(DF) > Error in na.roughfix.data.frame(DF) : na.roughfix only works for > numeric or factor > > DF$a <- factor(DF$a) > > na.roughfix(DF$a) > Error in na.roughfix.default(DF$a) : roughfix can only deal with numeric > data. > > na.roughfix(DF) > a b > 1 TRUE 1.0 > 2 FALSE 2.0 > 3 TRUE 3.0 > 4 TRUE 2.5 > 5 TRUE 5.0 > > > On 3/30/07, Sergio Della Franca <[EMAIL PROTECTED]> wrote: > > Dear R-Helpers, > > > > > > I have the following data set(y): > > > > Test_Result #_Test > > t 10 > > f 14 > > f 25 > > f NA > > f 40 > > t 45 > > t 44 > > <NA> 47 > > t NA > > > > > > I want to replace the NA values with the following method: > > - for the numeric variable, replace NA with median > > - for character variable , replace NA with the most frequent level > > > > If i use x<-na.roughfix(y) the NA values are correctly replaced. > > But if i x<-na.roughfix(y$Test_Result) i obtain the following error: > > > > roughfix can only deal with numeric data. > > > > How can i solve this proble that i met every time i want to replace only > the > > NA values of a column (type character)? > > > > Thank you in advance. > > > > > > Sergio Della Franca > > > > [[alternative HTML version deleted]] > > > > ______________________________________________ > > [email protected] 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]] ______________________________________________ [email protected] 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.
