R is case sensitive. ecdf() is in the stats package, Ecdf() is in Hmisc. So you want Ecdf(x,what='1-F')
Thierry ------------------------------------------------------------------------ ---- ir. Thierry Onkelinx Instituut voor natuur- en bosonderzoek team Biometrie & Kwaliteitszorg Gaverstraat 4 9500 Geraardsbergen Belgium Research Institute for Nature and Forest team Biometrics & Quality Assurance Gaverstraat 4 9500 Geraardsbergen Belgium tel. + 32 54/436 185 thierry.onkel...@inbo.be www.inbo.be To call in the statistician after the experiment is done may be no more than asking him to perform a post-mortem examination: he may be able to say what the experiment died of. ~ Sir Ronald Aylmer Fisher The plural of anecdote is not data. ~ Roger Brinner The combination of some data and an aching desire for an answer does not ensure that a reasonable answer can be extracted from a given body of data. ~ John Tukey > -----Oorspronkelijk bericht----- > Van: r-help-boun...@r-project.org > [mailto:r-help-boun...@r-project.org] Namens Downey, Patrick > Verzonden: maandag 19 april 2010 15:04 > Aan: R help > Onderwerp: [R] ecdf > > Hello, > > I'd like to plot an empirical cumulative distribution > function, except instead of the fraction of values < x, I'd > like the fraction of values > x. > > > I think this can be done using the ecdf function in {Hmisc}. > I installed the package and loaded it. However, when > following the example given in the documentation, I get an error: > > x <- rnorm(100) > ecdf(x,what='1-F') > Error in ecdf(x, what = "1-F") : unused argument(s) (what = "1-F") > > I believe that this is because R is attempting to access the > ecdf function in base R, which does not have the what option. > Am I correct, and if so, how can I change that? > > Note: I also tried to "do it myself" without the {Hmisc} ecdf > function, and couldn't figure out a way. > > x2 <- 1-ecdf(x) > > doesn't work, and neither does > > x2 <- rep(0,times=100) > for(i in 1:100){ > x2[i] <- 1-ecdf(x)[i] > } > > Both result in errors. > > Thanks in advance for any suggestions you can offer. > > -Mitch > > ______________________________________________ > 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. > Druk dit bericht a.u.b. niet onnodig af. Please do not print this message unnecessarily. Dit bericht en eventuele bijlagen geven enkel de visie van de schrijver weer en binden het INBO onder geen enkel beding, zolang dit bericht niet bevestigd is door een geldig ondertekend document. The views expressed in this message and any annex are purely those of the writer and may not be regarded as stating an official position of INBO, as long as the message is not confirmed by a duly signed document. ______________________________________________ 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.
