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0.39659
2011 Apr 10
2
howto calculate column means in data frame
Long story short, I have a big iterative procedure that produces a long list of data.frames such as the one called
"results" here. Is there an easy way to produce a similar list of data.frames comprised of the mean of each of the
columns in results, such that it ends up like the one I've shown in "resultsmean" below?
I've tried apply and lapply, still not got the