Dear all, I wonder if it is "bad style" (or something worse) to create an "update" function which does not work on model objects of the lm, glm etc. type. Specifically, I have some graph objects (graphs as mathematical objects, not as displays) which I want to alter and for that purpose I thought of writing an update function. Would doing so violate a "deeper philosophy" in the R system or have other unfortunate consequences. If so, I'm happy to hear other suggestions... Regards Søren
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