[R] Quantiles of a subset of data
Peter.Brecknock at bp.com
Tue Feb 19 23:11:45 CET 2013
> Thanks Pete. The TRIM argument in the MEAN function tells me how to trim
> off decimal points, but I am lost as to how to append the mean values of
> TEMP and IBI between the 10% and 90% quantiles of DAY in each YEAR.
> DAY is the julian date that an event occurred in certain years. The events
> occurred numerous times in each year, and I want to be able to say what
> the mean day was in each year excluding those days greater than the 90%
> and less than the 10% quantile in that year.
Would suggest that you forward a small, reproducible example with what you
expect the results to look like.
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