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...sing geoR? thanks, JR Ferrer-Paris PS: Currently I'm using R 1.9.0 on Linux. Dipl.-Biol. J.R. Ferrer Paris ~~~~~~~~~~~~~~~~~~~~~~~~~~~~ Laboratorio de Biolog??a de Organismos - Centro de Ecolog??a Instituto Venezolano de Investigaciones Cient??ficas Apartado 21827 - Caracas 1020A REPUBLICA BOLIVARIANA DE VENEZUELA Tel:00-58-212-5041452 --- Fax: 00-58-212-5041088 ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ jferrer at ivic.ve

Hello, I have a small statistics question, and as I'm quite new to statistics and R, I'm not sure if I'm doing things correctly. I am looking at two quantitative variables (x,y) that are correlated. When I divide the data set according to a categorical variable z, then x and y are more poorly correlated when z = A than when z = B (see attached figure). In fact x and y are two

Hello, I am trying to get the P values from the output of a summary for lm. lm <- lm(y ~ age + sex) s <- summary(lm) I thought that I might be able to get them using a combination of scan, grep and sub. But I got stuck on the first step - being able to process "s" as a text string. I could perhaps write it to file than scan it back but there is probably an easier way to do