try this: knots(cawa.cdp)
-- Henrique Dallazuanna Curitiba-Paraná-Brasil 25° 25' 40" S 49° 16' 22" O On 18/11/2007, Benjamin Zuckerberg <[EMAIL PROTECTED]> wrote: > > Dear Group, > > I am using the ecdf function as follows: > > cawa.cdp <- ecdf(cawaocc$LEFF80) > > summary(cawa.cdp) > > Empirical CDF: 223 unique values with summary > Min. 1st Qu. Median Mean 3rd Qu. Max. > 0.07918 1.35700 1.68600 1.61000 1.91200 2.70000 > > I can see by the summary that the y-value for the 3rd quartile is 1.912. > > How can I obtain the x-value for a specified y-value (e.g., 0.8)? > > > Thank you! > > > -- > Benjamin Zuckerberg > Doctoral Candidate > State University of New York > College of Environmental Science and Forestry > Illick 244A, 1 Forestry Drive > Syracuse, New York 13210 > Tele: (315) 470-6985 > E-mail: [EMAIL PROTECTED] > > ______________________________________________ > 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. > ______________________________________________ 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.
