[R] Calculateing means

[S Ellison]

> I have a data matrix with 570 columns containing 95 (samples) 
> with 6 replicates each.
> How can I calculate the mean of the replicates for 95 samples?

Write a function that calculates the sample means for a vector of 95 observations and then use apply() to apply that function to the whole matrix.

S

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