Dear all:
I have two data.frames A and B of the same number of rows (about
40,000). I realized that when I copy column x from data.frame A to B,
the order of this column gets changed. This seems to affect only values
in rownumbers > ~ 35/36,000. It also happens in any of the following
three approaches:
A$x <- B$x
x <- B$x (here, x is still in the correct order)
B$x <- x : now x is reordered
B <- cbind(A, B$x)
I am working with Windows7Pro/64bit, R 3.3.3, and RStudio 0.99.903.
Any help would be appreciated.
Best regards
Karl Schilling
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