[R] Extracting arithmetic mean for specific values from multiple .txt-files
superdodge at gmx.net
Mon Jul 9 13:20:17 CEST 2012
Dear Mr. Holtman,
thank you for your reply.
I think I did say which mean I needed: "all of these reaction times per test
subject. ", which means that I need a file with the mean of reaction times
of each file / of each test subject (because file XYZ_34.txt is identical
with subject 34's data).
There are 65 x 152 reaction times and I need 65 x mean(152 reaction times
per test subject file) = 65 mean reaction times.
I have now provided an example for a test subject 34:
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