Thanks for your help. -jmaes > Hi James, > If that's the case, then > > set.seed(123) > x <- c(4,rnorm(20),8) > bp <- boxplot(x) > bp$out > # [1] 4 8 > which(x %in% bp$out) > # [1] 1 22 > > is what you are looking for. :-) > > HTH, > Jorge > > > On Wed, Sep 9, 2009 at 4:07 PM, <g...@ucalgary.ca> wrote: > >> Thank you very much. >> But it seems that >> x$out returns the values not the indexes of the values (1,22). >> -james >> >> > boxplot returns a dataframe that has the values in it at "$out": >> > >> >> x <- boxplot(c(4,rnorm(20),8)) >> >> x >> > $stats >> > [,1] >> > [1,] -1.5364498 >> > [2,] -0.5282799 >> > [3,] -0.1398736 >> > [4,] 0.3065579 >> > [5,] 1.3430388 >> > >> > $n >> > [1] 22 >> > >> > $conf >> > [,1] >> > [1,] -0.4210947 >> > [2,] 0.1413474 >> > >> > $out >> > [1] 4 8 >> > >> > $group >> > [1] 1 1 >> > >> > $names >> > [1] "1" >> > >> > >> > >> > On Wed, Sep 9, 2009 at 3:25 PM, <g...@ucalgary.ca> wrote: >> >> I am wondering if you know how to return by function or show in >> >> boxplot, >> >> the indexes of unusual points, such as, >> >> points that are outside the box or in [Q3+1.5IQR,Max]. >> >> For example, >> >> >> >>> boxplot(c(4,rnorm(20),8)) >> >> >> >> There are 2 unusual points 4 and 8. How to show the indexes of 4 and >> 8 >> >> in >> >> the boxplot >> >> or return them by function? >> >> >> >> Thanks, >> >> >> >> -james >> >> >> >> ______________________________________________ >> >> 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. >> >> >> > >> > >> > >> > -- >> > Jim Holtman >> > Cincinnati, OH >> > +1 513 646 9390 >> > >> > What is the problem that you are trying to solve? >> > >> > >> > >> >> ______________________________________________ >> 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.
