Note that fitting to the ECDF will result in a distribution estimator that has the same mean squared error as the ECDF. That makes it difficult to see the value of fitting. Frank
Lathouri, Maria wrote > > Dear all, > > I need to plot an cumulative distribution plot of a variable and then to > fit a distribution to that, probably a weibull or lognormal. > > I have plotted the ecdf as >> plot(ecdf(x)) > > but I haven't managed to fit the distribution. I have as well attached the > data. > > I would appreciate if you could help me on that. > > Thank you. > > Kind regards > Maria > > ______________________________________________ > R-help@ 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. > ----- Frank Harrell Department of Biostatistics, Vanderbilt University -- View this message in context: http://r.789695.n4.nabble.com/fitting-a-distribution-to-a-ecdf-plot-tp3357015p4114902.html Sent from the R help mailing list archive at Nabble.com. ______________________________________________ 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.
