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Does R have an "inverse empirical cumulative distribution" function ?
4 messages · Peter Dalgaard, Yihui Xie, tolga.i.uzuner at jpmorgan.com
tolga.i.uzuner at jpmorgan.com wrote:
Dear R Users, Does R have an "inverse empirical cumulative distribution" function, something one can use to invert ecdf ? Thanks in advance, Tolga
quantile(...., type=1) (Actually you can't invert a piecewise constant function...)
O__ ---- Peter Dalgaard ?ster Farimagsgade 5, Entr.B c/ /'_ --- Dept. of Biostatistics PO Box 2099, 1014 Cph. K (*) \(*) -- University of Copenhagen Denmark Ph: (+45) 35327918 ~~~~~~~~~~ - (p.dalgaard at biostat.ku.dk) FAX: (+45) 35327907
Isn't the "inverse" ECDF just the quantile function?... Regards, Yihui -- Yihui Xie <xieyihui at gmail.com> Phone: +86-(0)10-82509086 Fax: +86-(0)10-82509086 Mobile: +86-15810805877 Homepage: http://www.yihui.name School of Statistics, Room 1037, Mingde Main Building, Renmin University of China, Beijing, 100872, China
On Fri, Sep 26, 2008 at 6:50 PM, <tolga.i.uzuner at jpmorgan.com> wrote:
Dear R Users, Does R have an "inverse empirical cumulative distribution" function, something one can use to invert ecdf ? Thanks in advance, Tolga
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