Re: [R] [O/T] Good bash or Linux shell command book

If you are looking for an introduction, and for Linux in particular, I recommend the last twelve chapters of "The Linux Command Line" (William Shotts) which you can download in pdf from the following link. http://linuxcommand.org/tlcl.php Regards, Jorge On Thu, Aug 2, 2012 at 7:05 PM, Erin Hodge

[R] multiple time series plot with dual 'y' axes

Hello. I would like to know how to generate dual 'y' axes on a multiple time series plot. I am using ts.plot() to get the multiple time series plot, but I would like a second vertical axis on the right to include another time series on a different scale. Thanks for any help. Cheers.

[R] image() function

Hello. I would like to know how to set the image() function so that it assigns colors relative to an absolute scale, as opposed to relative to the values present in a particular call to image(). For example: m <- matrix(1:18,3,6) par(mfrow = c(2,1)) image(1:6, 1:3, t(m), col = rainbow(20)