From octave-graphics-request at bevo dot che dot wisc dot edu Sat Sep 27 09:21:23 2003 Subject: Re: Probability scale From: Phil Reardon To: pkienzle at users dot sourceforge dot net Cc: octave-graphics at bevo dot che dot wisc dot edu Date: Sat, 27 Sep 2003 08:29:18 -0600 On Sat, 27 Sep 2003 02:35:08 +0100 pkienzle at users dot sourceforge dot net wrote: > On 26 Sep 2003 at 16:38, Phi Reardon wrote: > > > It seems to me (correct me if I am wrong) that octave > > can plot on linear or log scales, but not probability scales. > > This would not be too hard to implement, it seems to me, > > but is not a current octave (or gnuplot) capability. If it > > were in place, then log-probability graphs of distributions > > like the log-normal distribution would be easy. Since this > > is a common sort of distribution, and even a common sort > > of graph paper, how about it? > > > > E.g., > > http://octave.sourceforge.net/index/statistics.html#Plots > > Paul Kienzle > pkienzle at users dot sf dot net > Unfortunately the statistics plots now in octave appear to use linear scales with equally spaced tics. This in not the best way to display the data because you have to unfold the distribution manually. Its like having equally spaced tics on a plot that wants a log scale. Sure you can plot vs log x instead of x, but then you have to raise everything to a power to understand the graph.