hope this helps. spencer graves
[EMAIL PROTECTED] wrote:
Hello, R experts:
I got data like this:
group duplicate treatment A Y 5
A Y 3
A N 6
B Y 2
B N 4
B Y 1
How to sort the data and calculate the average treatment value for each group in two level of duplicate. Results like this:
group duplicate treatment A Y 4
A N 6
B Y 1.5
B N 4
Thank you in advance.
Josh
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