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Hi everyone, I was wondering if there was a simple way to assign a color to a cell based on value in a data frame and return the cell as an image? For example, if the value is >1, then...

I want to call in files from subdirectories without changing my working directory within my script. Is that possible? And if so what would be the simplest way to do that? for example, if I do setwd("C:/Users/Hello...

Hello all, Using image.plot from the fields package, I created a heatmap for a matrix I had saved as a text file. Everything works fine, but my legend goes up to a value of 300 (the maximum value in...

Hello all, I used the following script to generate a plot, but when I try to place axes, the axes start at the end of my plot and continue off the plot; the attached image shows what happens when I...

Hi all, I used image.plot() to create a heat map of a matrix: as.matrix(read.table("Matrix.txt", sep="\t"))->x HeatBrk<-seq(5,25,2.5) MyCol= gray((7:0)/7) library(fields) image.plot(x, col...

Hello everyone, Using the following script I generated a heatmap for my matrix with image.plot from the fields package: library(fields) as.matrix(read.table("Matrix.txt", sep="\t"))->x #on left: labels are: Side<-as.character(x[1...

Jim, Thanks for the response! It turns out that using color2D.matplot actually eliminates my need to rotate the matrix at all. However, I'm not quite sure I understand the arguments for assigning colors to the cells. Using image...