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Heuristic for choice of parameter C in LibSVM
I was trying to find more info on the heuristic choice of the parameter C used by RapidMiner (i.e. the one used when the parameter is given as 0). However, the only place I could find mentioning this heuristic was this old thread from this forum. Is there any other place where this heuristic is discussed? I could not find the references cited by Ingo on that thread. Hastie and Tibshirani have far too many publications to search them one by one. Perhaps someone could give me any directions for justifying this heuristic value?