Hi library(akima) a<-data.frame(rnorm(100), rnorm(100), runif(100)*100) image(interp(a[,1], a[,2], a[,3]))
Petr [EMAIL PROTECTED] [EMAIL PROTECTED] napsal dne 29.11.2007 12:52:32: > Hello R cracks > > The image() function requires strictly increasing x and y values and z as a matrix. > > Actually, I don't have equally spaced variables, but anyway want to plot an > colored image() (with z-information). > > An example of my problem is here: > > a<-data.frame(rnorm(100), rnorm(100), runif(100)*100) > > How can I plot this data as an image (x=a[,1], y=a[,2] and z=a[,3])-> > according to ?image. > It has to be possible to adapt the grid size so that every grid cell in the > plot is coloured consequently. > > Thanks for your help > > Marc > -- > > ______________________________________________ > [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. ______________________________________________ [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.
