There is no one who could help me with this? Antje schrieb: > Hello, > > I have two questions. I'd like to visualize data with a heatmap and I have > the > following testcase: > > x <- rnorm(256) > nx <- x + abs(min(x)) > nnx <- 255/max(nx) * nx > x <- matrix(nnx, 16, 16) > rownames(x) <- > c("A","B","C","D","E","F","G","I","H","J","K","L","M","N","O","P") > par(fin=c(8.0,8.0)) > cp <- colorRampPalette(c("white","springgreen","darkgreen"),space="Lab") > heatmap(x, Rowv = NA, Colv = NA, scale="none", col=cp(200)) > > I defined the figure region to make sure that each position is a square. But > with these settings I get the following output (though it looks nice): > > x <- rnorm(256) > > nx <- x + abs(min(x)) > > nnx <- 255/max(nx) * nx > > x <- matrix(nnx, 16, 16) > > rownames(x) <- > c("A","B","C","D","E","F","G","I","H","J","K","L","M","N","O","P") > > par(fin=c(8.0,8.0)) > > cp <- colorRampPalette(c("white","springgreen","darkgreen"),space="Lab") > > heatmap(x, Rowv = NA, Colv = NA, scale="none", col=cp(200)) > Fehler in par(op) : ungültiger Wert für den Grafikparameter "fig" > spezifiziert > > par(fin=c(8.0,8.0)) > > cp <- colorRampPalette(c("white","springgreen","darkgreen"),space="Lab") > > heatmap(x, Rowv = NA, Colv = NA, scale="none", col=cp(200)) > Fehler in par(op) : ungültiger Wert für den Grafikparameter "fig" > spezifiziert > > par()$fig > [1] 7.267443e-04 1.305448e-02 -2.862294e-17 9.876543e-01 > > par()$fin > [1] 0.08834875 7.06790021 > > Why do I get this error? Why does the parameters have these strange values > (though I set the fin parameter before...) > > And another question concerning the heatmap: May I force the funtion to plot > A1 > at the upper left corner instead of the lower left? > > I'll be glad about any idea how to solve these problems... > > Ciao, > Antje > > ______________________________________________ > 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. >
______________________________________________ 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.