LCOG1 <jroll <at> lcog.org> writes:
[snip]
>
> I need to do the same for a fueltype where each record has a character
> representing the data instead of a numeral(as in year). No reproducible
> code or data because i think this is pretty straight forward. I could do
> this using a series of loops but i think there is prob a more elegant way.
> Use of grep? Thanks for the help
Reproducible would still help because we still have to do a bit of guessing
about what you mean. How do you want to define the ordering on characters?
If the number of fuel types is small enough, you could just create a factor
and cut() on the numeric values , e.g.
fueltype <- factor(c("A","A","B","E","Q"),levels=LETTERS)
cut(as.numeric(fueltype),c(-0.5,13.5,26.5),labels=c("A-M","N-Z"))
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