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Re^2: HOW to calculate the column data

by jwkrahn (Abbot)
on Dec 03, 2009 at 21:33 UTC ( [id://810958]=note: print w/replies, xml ) Need Help??


in reply to Re: HOW to calculate the column data
in thread HOW to calculate the column data

If you just want to make it short: 

perl -ane'$t{$F[0]}+=$F[1];$c{$F[0]}++}{printf"$_ %.3f\n",$t{$_}/$c{$_
+}for+sort+keys%t'

[download]

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