see ?merge
> merge(xx,aa,by.x='x',by.y='a')
x y b
1 2.00112e+11 1.0 1.2
2 2.00112e+11 1.1 1.9
making the two matricies time series does not mean that R knows that the
first column is a datetime.
and depending on your desired result, that may not be important.
hope that helps,
Ju
was trying to match different matrices of different lengths with in
the first collumn date and time info (yearmonthdayhourminute). the
routine needs to return NA´s where data of either of the matrices is
non existent.
have been trying the following:
x <- c(200112030003, 200112030004, 200112
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