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2012 Dec 06
1
Analyze multiple data set simultaneoulsy
Hi, everyone: I have multiple dataset (say 100) in different subdirectory. They have same name and exactly same format. I want to get summary for some columns for each of these dataset (such as mean, SD etc), and list the summary in one output file. It is for sure not effective if I do this one by one. Can anyone advise me how to do it ‘on the fly’ using R? More specifically, I wish to