Hi:

It's in your message:  :)

Hmisc:::ecdf(...)

indicates use of the ecdf function in package Hmisc.

HTH,
Dennis

On Wed, Jan 26, 2011 at 2:38 AM, pdb <philb@philbrierley.com> wrote:

>
> There seems to be 2 functions call ecdf...
>
> http://lib.stat.cmu.edu/S/Harrell/help/Hmisc/html/ecdf.html
>
> http://127.0.0.1:11885/library/stats/html/ecdf.html
>
> How do I get the one ecdf {Hmisc} to run instead of the ecdf {stats}
>
> A pointer in the right direction would be greatly appreciated.
>
>
> Tried to instal Hmisc but got this message, so I assume I have it
>
> > utils:::menuInstallPkgs()
> Warning: package 'Hmisc' is in use and will not be installed
>
>
>
> ran the demo from Hmisc with no luck...
>
> > set.seed(1)
> > ch <- rnorm(1000, 200, 40)
> > ecdf(ch, xlab="Serum Cholesterol")
> Error in ecdf(ch, xlab = "Serum Cholesterol") :
>  unused argument(s) (xlab = "Serum Cholesterol")
>
>
> ran the sample code from stats and it worked...
>
> > x <- rnorm(12)
> > Fn <- ecdf(x)
> > Fn     # a *function*
> Empirical CDF
> Call: ecdf(x)
>  x[1:12] = -1.9123, -1.6626, -1.2468,  ..., 1.1119,  1.135
> > Fn(x)  # returns the percentiles for x
>  [1] 1.00000000 0.91666667 0.33333333 0.66666667 0.58333333 0.16666667
> 0.75000000 0.08333333 0.25000000 0.83333333 0.41666667 0.50000000
> > tt <- seq(-2,2, by = 0.1)
> > 12 * Fn(tt) # Fn is a 'simple' function {with values k/12}
>  [1]  0  1  1  1  2  2  2  2  3  3  3  3  4  4  4  5  5  5  6  6  6  7  7
>  8
> 8  8  8  8  8  9 10 10 12 12 12 12 12 12 12 12 12
> >
>
> --
> View this message in context:
> http://r.789695.n4.nabble.com/2-functions-with-same-name-what-to-do-to-get-the-one-I-want-tp3237788p3237788.html
> Sent from the R help mailing list archive at Nabble.com.
>
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