Arnau Mir Torres wrote: > Uwe Ligges wrote: > >> Arnau Mir Torres wrote: >> >> >> >>> Hello. >>> >>> I am an nxn data frame in the variable frame. >>> I want to make a contour plot with it. That is, I want to plot a >>> square of dimensions [1,n]x[1,n] with the gray level of square >>> [i,i+1]x[j,j+1] equal to frame[i,j]. >>> >>> How can I make it? >>> >> >> >> >> See ?image >> >> Uwe Ligges >> >> >> >> >>> Thanks, >>> >>> Arnau. >>> >>> ______________________________________________ >>> 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 >>> >> >> >> ______________________________________________ >> 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 >> >> >> > The problem is image works with matrices but I am a data frame. So, the > question is: how can I transform a data frame in a matrix? > > > Arnau.
?as.matrix Uwe Ligges ______________________________________________ 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