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refb
2011 Aug 16
1
how to sort the levels of a table
...(nr. 1 to 20) versus the reference (nr. 21) via the
following code:
## observations of the reference
obsValues<-factor(unlist(input[,-c(1,ncol(input))]))
## observations of the observers
refValues<-factor(input[,ncol(input)])
## data.frame that relates observations of observers and reference
RefObs<-data.frame(refValues, obsValues)
mtx<-table(
RefObs$obsValues,
RefObs$refValues,
dnn=c("observers", "reference"),
useNA=c("always")
)
And now the problem:
I need to sort the levels/classes of the table. B...