[R] Making a data frame into a factor ?

From: Paul Lynch <plynchnlm_at_gmail.com>
Date: Tue, 15 Apr 2008 21:36:11 -0400


Hi,

   I'm trying to do a linear regression style one-way ANOVA using some data in a data frame, and (perhaps because I am still relatively unfamiliar with both R and statistics) what I thought I should do was to make the data frame into a factor. By that I mean that I have a data frame whose column labels are the levels of the factor, and the values in the frame are numeric values for the dependent variable.

   I can construct the relevant vectors by hand, if I have to (and I guess I will start in that direction) but I am sure there must be 1-3 line bit of R that could elegantly create the factor and the vector of values.

   Thanks in advance,

-- 
Paul Lynch
Aquilent, Inc.
National Library of Medicine (Contractor)

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Received on Wed 16 Apr 2008 - 02:28:37 GMT

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