This will take all the numerics in the list and create a matrix: as.matrix(MEAN[unlist(lapply(MEAN, is.numeric))])
On 4/20/07, Soare Marcian-Alin <[EMAIL PROTECTED]> wrote: > Hello, > > I dont know if it works, but try: storage.mode(xxx) = "numeric" > > Alin > > 2007/4/20, Felix Wave <[EMAIL PROTECTED]>: > > > > Hello, > > can anybody tell me a easy way to change the mode of an "aggregate list" > > to "numeric"? > > I found a solution but I looks cruel. > > > > Thank's > > Felix > > > > PS: In the past you have asked what I am doing. I have to evaluate > > measures of two > > gauges of our university. The aim is to get an answer which one is better. > > > > > > > > > mode(MEAN) > > [1] "list" > > > mode(MEASURE) > > [1] "numeric" > > > > > > MEAN <- aggregate(INPUT[,3], by=list(INPUT[,2],INPUT[,1]), FUN=mean) > > > > MODE <- matrix(c(MEAN[,2],MEAN[,1],MEAN[,3]), ncol=3, byrow=FALSE ) > > x <- MODE[,1] -1 > > y <- (MODE[,2] -1) / 10 > > > > MEASURE <- matrix(c(MODE[,2],MODE[,1],MODE[,3]), ncol=3, byrow=FALSE ) > > > > ______________________________________________ > > R-help@stat.math.ethz.ch 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@stat.math.ethz.ch 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. > -- Jim Holtman Cincinnati, OH +1 513 646 9390 What is the problem you are trying to solve? ______________________________________________ R-help@stat.math.ethz.ch 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.