Hello: I have written some an elementary S4 classes around a matrix to strengthen control of some key attributes. When I run a fairly elementary function ("f") on the matrix outside the class it runs instantaneously (elapsed system.time = 0) but when I setMethod "f" on myClass -- returning an instance of myClass -- it runs perceptibly slower (elapsed system.time = .06). I suspect my initialization and/or validity functions are inefficiently written. I thought I read in this list of a function that will trace the execution time of each of the functions called during the evaluation of an R expression, but now I can't find that message. Is there such a function, or was I mistaken?
Thank you. Dan Murphy [[alternative HTML version deleted]] ______________________________________________ R-devel@r-project.org mailing list https://stat.ethz.ch/mailman/listinfo/r-devel