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: maj at waikato.ac.nz Fax 7 838 4155 Phone +64 7 838 4773 wk +64 7 849 6486 home Mobile 021 1395 862
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: maj at waikato.ac.nz Fax 7 838 4155 > Phone +64 7 838 4773 wk +64 7 849 6486 home Mobile 021 1395 862 > > ______________________________________________ > R-help at stat.math.ethz.ch mailing list > https://www.stat.math.ethz.ch/mailman/listinfo/r-help >
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: maj at waikato.ac.nz Fax 7 838 4155 >>Phone +64 7 838 4773 wk +64 7 849 6486 home Mobile 021 1395 862 >> >>______________________________________________ >>R-help at stat.math.ethz.ch mailing list >>https://www.stat.math.ethz.ch/mailman/listinfo/r-help >> > > >-- Dr Murray Jorgensen http://www.stats.waikato.ac.nz/Staff/maj.html Department of Statistics, University of Waikato, Hamilton, New Zealand Email: maj at waikato.ac.nz Fax 7 838 4155 Phone +64 7 838 4773 wk +64 7 849 6486 home Mobile 021 1395 862