[EMAIL PROTECTED] wrote: > Mich beschäftig folgende Fragestellung. Ich kenne die Verteilung > (lognormal) zusätzlich weiss ich das 99%, das 90% und das 1% Quantil. > Gibt es in R eine Möglichkeit die Lognormalverteilung zu finden, das > heisst den korrespondierenden logmean und logsd? > (Nicht auf Deutch, bitte...)
Well, you can do it by hand: Start by taking log of the quantiles. The interquantile spacings are then proportional to the SD, so you can use them (in multiple ways!) to determine the SD. Once that is found, determine the 50%-quantile. Done. > Vielen Dank für ihre Hilfe > Gruss > Yvonne > > ______________________________________________ > [email protected] 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. > -- O__ ---- Peter Dalgaard Øster Farimagsgade 5, Entr.B c/ /'_ --- Dept. of Biostatistics PO Box 2099, 1014 Cph. K (*) \(*) -- University of Copenhagen Denmark Ph: (+45) 35327918 ~~~~~~~~~~ - ([EMAIL PROTECTED]) FAX: (+45) 35327907 ______________________________________________ [email protected] 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.
