Per Hadley's suggestion, this was moved from the manipulatr google group. link
Let's say I get a csv file with a bunch of variables named "XPF102", "FGR24D", and so on. There may be twenty of these.
From my data-dictionary, I see that "XPF102" is pressure in psi, "FGR24D" is a part-per-million of contaminant, and so on.
I have used plyr::summarise() to do two things at once (this could be what you are trying to get away from in dplyr):
Using dplyr, I might have to do this:
Doing this, I seem to have the opportunity to mistype a variable name by violating DRY.
I like the idea. My only (relatively uneducated) concern is if the user wants to name a variable
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When I picked