Displaying 1 result from an estimated 1 matches for "ari_mit".
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arg_min
2012 Apr 12
1
Applying a function to categorized data?
Hi all,
I'm just getting started in R. My problem is the following:
I have a data frame (v1) with lots of production data measurements.
Each row contains a single measurement ('ARI_MIT') with a timestamp. I
want to "lump" the data by months with their mean and standard
deviation.
I have already successfully managed to do the lumping by adding
another column to my data frame:
v1$MONTH = strftime(v1$TIMESTAMP, "%y%m")
This makes a nice month-wise boxplot...