proportions
--- Mauricio Cardeal <mcardeal at ufba.br> wrote:
Hi all: Please be patient with my silly question: How can I get proportions if I have a contingency table ? I tried the table command, but I almost sure I made my usual mistakes.
Try the prop.table function I am also putting together R manual for epidemiologist, some of which you may find useful. It available at http://www.ucbcidp.org/courses/epiwithr.pdf Tomas
Thaks Mauricio
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http://www.R-project.org/posting-guide.html ===== Tomas Aragon, MD, DrPH http://www.medepi.org/aragon Support Open Access! Visit http://www.plos.org