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fthin
2012 Sep 09
2
use subset to trim data but include last per category
Hello,
I bumped into the following funny use-case. I have too much data for a given plot. I have the following data frame df:
> str(df)
'data.frame': 5015 obs. of 5 variables:
$ n : Factor w/ 5 levels "1000","2000",..: 1 1 1 1 1 1 1 1 1 1 ...
$ iter : int 10 20 30 40 50 60 70 80 90 100 ...
$ Error : num 1.05e-02 1.24e-03 3.67e-04 1.08e-04