[R] need help creating means table
dwhite at ling.ohio-state.edu
Mon Sep 24 19:24:08 CEST 2001
Peter Delgaard wrote:
%nums <- sapply(xx, is.numeric)
%by(xx[nums], list(subjs, cons, vowels), mean)
Thanks Peter, that gets me around the error message, but it return only
one value per subjs x vowels x cons combination, I need a separate mean
for each of the fix numeric columns.
S. David White
sdavidwhite at bigfoot.com
On 24 Sep 2001, Peter Dalgaard BSA wrote:
%David White <dwhite at ling.ohio-state.edu> writes:
%> I have been trying to use by to create a means table, but receive the
%> error " by(xx, list(subjs, cons, vowels), mean)
%> Error in Summary.data.frame(..., na.rm = na.rm) :
%> only defined on a data frame with all numeric or complex
%> variables" when the data frame consists of three factor columns (subjs,
%> cons and vowels) and 5 numeric data columns.
%> The output I'm looking for is a simple mean for each of the numeric
%> columns by the independent variables subjs, vowel, consonant.
%> Thanks for you advice,
% O__ ---- Peter Dalgaard Blegdamsvej 3
% c/ /'_ --- Dept. of Biostatistics 2200 Cph. N
% (*) \(*) -- University of Copenhagen Denmark Ph: (+45) 35327918
%~~~~~~~~~~ - (p.dalgaard at biostat.ku.dk) FAX: (+45) 35327907
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