Re: [R] Assigning colors to cells

2011-07-19 Thread Dennis Murphy
Use the cut() function to produce the interval categories and color names in the data frame and then pass that variable to the col = argument in the appropriate plot function. Something like mydata$mycolors <- cut(mydata$value, c(-Inf, 1, 2, 3, Inf), label = c('blue', 'green', 'yellow')) Ask an a

[R] Assigning colors to cells

2011-07-19 Thread Sumukh Sathnur
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 blue, if between 1 and 2, green, if between 2 and 3, yellow, etc. I tried using a heatmap function but I wa