[R] boxplot()

[Paul Murrell]

Hi


> I am comparing:
> > summary(boxplot(c(1,2,3,4,5,6,7,8,50),range=1.5))
>       Length Class  Mode
> stats 5      -none- numeric
> n     1      -none- numeric
> conf  2      -none- numeric
> out   1      -none- numeric
> ^^^^^
> group 1      -none- numeric
> names 1      -none- character
>
> with:
> > summary(boxplot(c(1,2,3,4,5,6,7,8,50),range=0))
>       Length Class  Mode
> stats 5      -none- numeric
> n     1      -none- numeric
> conf  2      -none- numeric
> out   4      -none- numeric
> ^^^^^
> group 4      -none- numeric
> names 1      -none- character
>
> ... and boxplot(c(1,2,3,4,5,6,7,8,50),range=0) yields the outliers' points
> drawn over the whiskers, of course. In help(boxplot) I am reading "range:
> ...A value of zero causes the whiskers to extend to the data extremes". Is
> this an intended behaviour? Can I set the boxplot to draw whiskers
extending
> to max and min without the outliers drawn over? Or am I missing something
> obvious?


This looks like a bug in boxplot.stats(), which does not appear to calculate
outliers as a special case for range=0.  Could you please submit a formal
bug report for this ?  see help(bug.report)

Thanks

Paul


-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-
r-help mailing list -- Read http://www.ci.tuwien.ac.at/~hornik/R/R-FAQ.html
Send "info", "help", or "[un]subscribe"
(in the "body", not the subject !)  To: r-help-request at stat.math.ethz.ch
_._._._._._._._._._._._._._._._._._._._._._._._._._._._._._._._._._._._._._._._