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2002 Nov 13
0
How call method of root "class" directly?
...values according to a spot -> (gene, replicate) map will be returned. Example: x[gene, replicate, slides] This overloading of "["() is really useful in some situations, but painfully slow in other situations. For instance, trying to do (dummy example but it explains my problem): sumOfMeans <- 0 for (row in seq(length=nrow(x))) sumOfMeans <- sumOfMeans + mean(x[row,]) Since x is of class MicroarrayMatrix, there will be some overhead costs because first "["() will be called, which calls "[.MicroarrayMatrix"(), which then calls "[.Matrix"(), w...