Displaying 1 result from an estimated 1 matches for "sumofmeans".
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"(), wh...