Rosario Garcia Gil-2 wrote: > > I have a problem on keeping the format when I export a matrix file with > the write.table() function. > > When I import the data volcano from rgl package it looks like this in R: > >> data[1:5,] > [,1] [,2] [,3] [,4] [,5] [,6] [,7] [,8] [,9] [,10] [,11] [,12] [,13] > [,14] > [1,] 100 100 101 101 101 101 101 100 100 100 101 101 102 > 102 > [2,] 101 101 102 102 102 102 102 101 101 101 102 102 103 > 103 > ... > I use this data to represent a 3D map with the follwing script and it > works PEFECT! > >> y<- 2*data >> x <- 10* (1:nrow(y)) >> z <- 10* (1:ncol(y)) >> ylim <- range(y) >> ylen <-ylim[2] - ylim[1] + 1 >> colorlut <- terrain.colors(ylen) >> col <- colorlut[y-ylim[1] + 1] >> rgl.open() >> rgl.surface(x,z,y, color=col, back="lines") > ... > Then I export it as write.table(data, file="datam.txt", row.names=TRUE, > col.names=TRUE), > ... > when I import it back into R again with read.table("datam.txt") it looks > like this in R: > > ... > The script I mention before does not anymore work on it, if I converted to > matrix with as.matrix still does not work. > > ... >
It is always better to report what str(mydata) looks like, instead of showing the data. And I an quite sure that something like as.matrix would work, but you did not tell use what the error message in "still does not work" looked like. Dieter -- View this message in context: http://r.789695.n4.nabble.com/export-import-matrix-tp3708935p3709072.html Sent from the R help mailing list archive at Nabble.com. ______________________________________________ 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.