Hey all!
I have a time series dataset like this:
Date Time Var
1 1 2
1 1 4
1 1 5
1 2 8
1 2 8
1 2 9
2 1 3
2 1 4
2 1 4
I created a unique id for each row:
dat$UniqueID <- paste(dat$Date,dat$Time, sep = '_')
then
aggregate(dat$Var, list(dat$UniqueID), sum)
however the final output is not in ideal order I look for (I simply this
example provided above).I would like to have order like this:
1_1
1_2
2_1
Thanks for your help!
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