On Fri, 10 Jan 2003 12:29:13 +0000 (GMT) Damon Wischik <[EMAIL PROTECTED]> wrote:
> > >> I woud like to plot cumulative histograms.... > > > > I don't think this will be effective from a graphical perception point > > of view. One problem is that the perception of the bottom symbols will > > be different than that of the symbols assigned to the upper region, > > because the upper symbols are not bottom-aligned. > > I _want_ the perception to be different! I gave a toy example, not my real > application. My real application is this: I have some samples from a > distribution. Some of the samples I know with high accuracy, some I know > with low accuracy. I wanted a histogram of the high-accuracy samples drawn > in a dark colour, and a histogram of the low-accuracy samples plotted on > top in a different colour. That way my impression would be dominated by > the part of the plot I am confident about, but I would still see a little > of the part I am less confident about. > > Do you have any recommendations on how to show graphically a distribution, > indicating at the same time which parts of the distribution I know with > confidence? > > Damon Wischik. > > My advice would be to plot superposed ECDFs with the one you want to deemphasize shown in light gray scale. -- Frank E Harrell Jr Prof. of Biostatistics & Statistics Div. of Biostatistics & Epidem. Dept. of Health Evaluation Sciences U. Virginia School of Medicine http://hesweb1.med.virginia.edu/biostat ______________________________________________ [EMAIL PROTECTED] mailing list http://www.stat.math.ethz.ch/mailman/listinfo/r-help
