[R] Calculating Mean

Laura Thomas skagandbonegirl at hotmail.com
Mon Jun 3 11:15:37 CEST 2013

Hi All,

Sorry about this quite basic, but I am very new to R.

I have a data file which has a dependent variable (reaction time) and a couple of independent variables, one of which is coded 1-8; I want to calculate the reaction time for each of the 8 codes of the independent variable.

Thanks for any help,


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