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The title says it all really; I am looking for a function along the lines of cutpt.coxph as described in "Survival Analysis Using S" (Tableman and Kim), Chapter 6. As may be guessed, the function optimises the cutpoint of...

I am sorry to trouble the list with this, but I'm hoping that someone will be able to help me track down this reference. I am looking for a good reference on repeated measures, and many of the relevant...

Sorry, my previous email seems to have come through in a rather odd format. Also I forgot to add version and OS information, now included below. My original query was: I have attempted to follow posting guidelines but I have...

I am sorry that this is another novice question. I am having trouble using "legend" with the survival curve plot from the survival package, and I wonder if it is because I have rescaled my plot. Here is the relevant...

Sorry, yes I think that would work, for the example I gave, but I am trying to superimpose a curve onto an existing plot. The option of using "plot" to draw both curves is not available, since the data are...

I hesitate to post this question in the light of recent threads, indeed I have hesitated for several weeks, however I have come to a full stop and really need some help if I am going to progress. I am...