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cpus
2002 Oct 10
1
Aggregating data -- table almost does it
Dear r-helpers,
I have a data frame that looks like this:
> str(fred)
`data.frame': 3243 obs. of 14 variables:
$ date : chr "02-09-19" "02-09-19" "02-09-19" "02-09-19" ...
$ time : chr "10:31:34" "10:31:34" "10:31:39" "11:36:12" ...
$ cpusys : num 0 0.11 0.37 0 0.13 0.46 0 0.01 0.01 0