[R] Prediction problem.

Dear friends from the R-community, I am Guy Roger and live in Germany. I am student and user of R. I wanted to do some prediction after a linear regression fitting but could´nt because of the following message: > yx<-predict(lm(y~x4+x5),newdata=data.frame(X4,X5)) Warnmeldung: In predict.lm(lm(y

[R] package installation problem.

Dear friends from the R-community, I am djipie, bokaha and live in Germany. I am a student and user of R. During the installation of the package "Metrics" I had a pronlem as shown below: > install.packages("Metrics") Warnung in install.packages("Metrics") : Argument 'lib' fehlt: nutze 'C:\Users