[R] Factor function for coded numerical values

maths123 linda_007 at hotmail.co.uk
Mon Nov 26 20:24:39 CET 2012


The question says that there is an experiement to investigate the effect on
breathing rate when doing different types of exercise with wearing more
clothes or less clothes (factor A, coded 1,2). 
The duration of exercise was 10min, 20min, 30min (factor B, coded 1,2,3).

Could you give m anymore help? I tried using your R code but I couldn't get
it to run.



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