On Oct 8, 2012, at 8:01 AM, Francesco wrote: > I think I have my answer... ggplot2 uses ecdf which does NOT allow > weightings... > so there is no warning or error, but still the resulting plot do not > take into account the command weight=weight
It was completely unclear why you expected ggplot to use ' ewcdf' when you gave a command to use 'ecdf'. > > Hope that helps someone, just in case ;-) > > On 8 October 2012 15:40, Francesco <caribou...@gmx.fr> wrote: >> Dear all, >> >> I am trying to draw a weighted cumulative distribution (as defined >> here http://rss.acs.unt.edu/Rdoc/library/spatstat/html/ewcdf.html) >> with ggplot2 >> >> however the syntax >> >> temp<-qplot(X,weight=weight,data=data,stat = "ecdf", geom = >> "step",colour=factor(year)) >> >> seems not to produce exactly the right figure (the values seems higher >> at some points)... I am wrong in the weight definition? >> >> The data is like the following >> >> X Weight Year >> 0 2 2001 >> 0 1 2001 >> 1 5 2001 >> 2 1 2001 >> 2 3 2001 >> 2 2 2002 >> 3.. etc >> >> Any ideas ? >> Many thanks in advance > > ______________________________________________ > R-help@r-project.org mailing list > https://stat.ethz.ch/mailman/listinfo/r-help > PLEASE do read the posting guide http://www.R-project.org/posting-guide.html > and provide commented, minimal, self-contained, reproducible code. David Winsemius, MD Alameda, CA, USA ______________________________________________ R-help@r-project.org mailing list https://stat.ethz.ch/mailman/listinfo/r-help PLEASE do read the posting guide http://www.R-project.org/posting-guide.html and provide commented, minimal, self-contained, reproducible code.
