... and it is also missing the 15 at position 15.
Can't explain but
> which( neilist %in% pfriends )
should give you what you want.
On Tuesday 18 March 2014 11:14:08 Thomas wrote:
> Does anyone know why this is happening? Which() is picking up the
> indices of the numbers 13 and 15 in neilist, but it's missing out the
> 13 at index 6.
>
> Thank you,
>
> Thomas Chesney
>
> > neilist
> [1] 13 15 28 29 30 13 14 15 28 30 43 44 45 14 15 29 44 45
>
> > pfriends
> [1] 13 15
>
> > which(neilist==pfriends)
> [1] 1 2 8
>
> > neilist[6]
> [1] 13
>
> > str(neilist)
> int [1:18] 13 15 28 29 30 13 14 15 28 30 ...
>
> > str(pfriends)
> num [1:2] 13 15
>
> > sessionInfo()
> R version 2.15.3 (2013-03-01)
> Platform: i386-apple-darwin9.8.0/i386 (32-bit)
>
> locale:
> [1] en_GB.UTF-8/en_GB.UTF-8/en_GB.UTF-8/C/en_GB.UTF-8/en_GB.UTF-8
>
> attached base packages:
> [1] splines grid stats graphics grDevices utils
> datasets methods
> [9] base
>
> other attached packages:
> [1] spdep_0.5-56 coda_0.16-1 deldir_0.0-21 maptools_0.8-23
> foreign_0.8-52
> [6] nlme_3.1-108 MASS_7.3-23 Matrix_1.0-11 lattice_0.20-13
> boot_1.3-7
> [11] sp_1.0-8 igraph_0.6.5-1
>
> loaded via a namespace (and not attached):
> [1] LearnBayes_2.12 tools_2.15.3
>
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