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arno
2001 Aug 28
1
Subsetting simulation output
Does anyone understand this?
I have a long vector parlist containing values of 138 parameters in 100
simulations.
The factor parno is defined by
trys <- 100
sim <- gl(trys,138)
parno <- gl(138,1,trys*138)
I want to extract and compare results for related groups of parameters but I
get inconsistent results:
> length(parlist[parno==37:42])
[1] 600
> length(parlist[parno==c(37,38,39,40,41,42)])
[1] 600
> leng...