Copy of the aggregate.Matrix function from the Matrix.utils package, since this is off CRAN and does not seem to be maintained anymore — fast_aggregate • inferCSN

Copy of the aggregate.Matrix function from the Matrix.utils package, since this is off CRAN and does not seem to be maintained anymore

fast_aggregate(x, groupings = NULL, form = NULL, fun = "sum", ...)

Arguments

x: x
groupings: groupings
form: form
fun: fun
...: other parameters

Value

aggregated matrix