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Dear useRs, I was asked to produce a survival curve like this: http://www.palug.net/Members/jabba/immaginetta.png/view with the cardinality of the riskset at the bottom. I do not like doing it, because it doesn't add any valuable information and because it doesn't discriminate between died and censored. Nevertheless, is there someone able to tell me how to do it? C...

...[1] "nfnGroupedData" "nfGroupedData" "groupedData" "data.frame" The problem is more easily explained by showing these two to Trellis plot: > plot(my.object,some_options) > plot(augPred(lmList(my.object)),some_options) [link to output: http://www.palug.net/Members/jabba ] Clearly the problem is that the predictions are correct, but the responses in the ``original'' part of the augPred data frame are in the wrong order, i.e. the response order does not match the grouping factor order (not sure this is in correct English, sorry). Debuggin...