Calculating Mean
Hi Laura, I think you're looking for aggregate() See ?aggregate If you had posted a reproducible example, I could have given you a more detailed answer. Learn to use the dput() function to do so. If you're very new to R, maybe this could help you get started: http://www.burns-stat.com/documents/tutorials/impatient-r/ HTH, Ivan -- Ivan CALANDRA Universit? de Bourgogne UMR CNRS/uB 6282 Biog?osciences 6 Boulevard Gabriel 21000 Dijon, FRANCE ivan.calandra at u-bourgogne.fr http://biogeosciences.u-bourgogne.fr/calandra Le 03/06/13 11:15, Laura Thomas a ?crit :
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, Laura
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