Cunningham Kerry <[EMAIL PROTECTED]> writes:
> Dear R-helpers,
> I want to merge several data sets into one single data set. For example,
> there are three separate data sets like:
> There is also one difficulty that the order of id may be different for the
> three sets and the order ot t
Dear R-helpers,
I want to merge several data sets into one single data set. For example,
there are three separate data sets like:
Set 1:
id age gender
01 12 M
03 15 F
04 19 M
...
Set 2:
id time x1
01 1 0.25
01 2 0.27
01 3 0.29
03 1 0.15
03 2 0.18
04 2 0.22
04 3 0.54
...
Set 3:
id
