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I am trying to create a plot that has multiple plot characters for each point (e.g. a point within a triangle, a triangle within a square, etc). The workaround I have found to do this is by plotting twice, as in this example: x <- c(1.1, 2.3, 4.6) y <- c(2.0, 1.6, 3.2) plot(x, y) points(x,y, pch=20, col="red", cex=0.5) This works, but perhaps there is a better way to do it in one

Not sure how much this will interest people but I don''t have a blog so I''m posting something I threw together today cause I think it might be useful. In what little free time I have I''ve been wanting to put together a Rails/Ferret based restful dictionary. So I finally got a chance to get started today so the first thing I wanted to do was implement a metaphone

Hi, I'm doing some coxph fits using the survival package. There are a large number of potential predictors and so I was considering using stepAIC for model selection. However, in the early stages I'm getting complaints like the following: Warning message: In fitter(X, Y, strats, offset, init, control, weights = weights, : Loglik converged before variable 1,2 ; beta may be infinite.