Displaying 2 results from an estimated 2 matches for "c1b".
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2010 May 31
1
Post-hoc tests for repeated measures in balanced experimental design
Hi,
I am performing experiments in the field of visual perception where
we often apply balanced designs. Within a group of normal subjects,
we vary different stimulus conditions (like contrast, luminance,
temporal frequency of stimulation) and derive some psychophysical or
electrophysiological results from our subjects. Often, the main
question is to test the effect of these parameters
2005 Aug 10
2
Creating new columns inside a loop
Ok, I know R isn't an optimal environment for looping (or so I've heard) but
I have a need to loop through columns of data and create new columns of data
based on calculations within rows...
I'm sure there's a help file, but I'm not sure what search terms to use to
find it! The problem is that these new columns need to have names that I can
later access... Like NewVar1,