Blush! Not too hard to explain at all!

Deepayan Sarkar wrote:

Your IATmedian has some NAs (which are removed by sort) ?

On Thu, 18 Sep 2003, Murray Jorgensen wrote:


Can anyone explain the following?  [R 1.6.0 Windows XP, yes I will
upgrade soon.]

Murray

> sort(IATmedian)[0:50]==0
 [1]  TRUE  TRUE FALSE FALSE FALSE FALSE FALSE FALSE FALSE FALSE FALSE
FALSE
[13] FALSE FALSE FALSE FALSE FALSE FALSE FALSE FALSE FALSE FALSE FALSE FALSE
[25] FALSE FALSE FALSE FALSE FALSE FALSE FALSE FALSE FALSE FALSE FALSE FALSE
[37] FALSE FALSE FALSE FALSE FALSE FALSE FALSE FALSE FALSE FALSE FALSE FALSE
[49] FALSE FALSE
> sum(sort(IATmedian)[0:50]==0)
[1] 2
> sum(sort(IATmedian)==0)
[1] 2
> sum(IATmedian==0)
[1] NA

--
Dr Murray Jorgensen      http://www.stats.waikato.ac.nz/Staff/maj.html
Department of Statistics, University of Waikato, Hamilton, New Zealand
Email: [EMAIL PROTECTED]                                Fax 7 838 4155
Phone  +64 7 838 4773 wk    +64 7 849 6486 home    Mobile 021 1395 862

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-- Dr Murray Jorgensen http://www.stats.waikato.ac.nz/Staff/maj.html Department of Statistics, University of Waikato, Hamilton, New Zealand Email: [EMAIL PROTECTED] Fax 7 838 4155 Phone +64 7 838 4773 wk +64 7 849 6486 home Mobile 021 1395 862

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