[R] Query about getting averages across a certain parameter in a table

From: lalitha viswanath <lalithaviswanath_at_yahoo.com>
Date: Wed 12 Jul 2006 - 03:41:08 EST


Hi
I have a table that goes
data

cluster_ac clockrate age class

7337         0.9       0.001  alpha_proteins
7888         0.1       0.78   beta proteins

etc

The class column can have 7-8 different unique values While the clockrate and age columns are floats varying from 0 to 1.

I wish to get the average clockrate across each of the classes for this data.

I would appreciate your help regarding the aboe.

Thanks
Lalitha



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