[R] help with the coordinates of the ECDF object

[Nolwenn LeMeur]

Hi,

try environment(Fn12)$y
    environment(Fn12)$x

Nolwenn

**************************************
Nolwenn Le Meur, PhD
Fred Hutchinson Cancer Research Center
Computational Biology
1100 Fairview Ave. N., M2-B876
P.O. Box 19024
Seattle, WA 98109-1024

On Tue, 1 Nov 2005, klebyn wrote:

> 
> 
> Hi all R users
> 
> 
> I would like to know how acess the coordinates
> of the ECDF object.
> 
> I look for the example,
> in this part:
> ######################
>      print(ls.Fn12 <- ls(env= environment(Fn12)))
> ######################
> 
> but I do not know to extract
> the Y coordinate and put it in other variable.
> 
> My objective is to make a plot
> and identify the points with labels.
> 
> 
> ############# Example by  ?ecdf
> 
>  y <- round(rnorm(12),1); y[3] <- y[1]
>      Fn12 <- ecdf(y)
>      Fn12
>      print(knots(Fn12), dig=2)
>      12*Fn12(knots(Fn12)) ## ~= 1:12  if there were no ties
> 
>      summary(Fn12)
>      summary.stepfun(Fn12)
> 
>      print(ls.Fn12 <- ls(env= environment(Fn12)))
>      ##[1] "f"  "method"  "n"  "x"  "y"  "yleft"  "yright"
> 
> ############# Example by  ?ecdf
> 
> 
> My objetive seems to this:
> 
> plot(Fn12)
> identify( x = knots(Fn12),  y = ??????????, labels="my string set")
> 
> or text...
> 
> 
> thanks in advanced
> 
> klebyn
> 
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