sum {matlab} | R Documentation |
Provides sum of elements.
sum(x, na.rm = FALSE)
x |
numeric to be summed |
na.rm |
logical. If TRUE , remove missing values |
This is an S4 generic function.
Return value depends on argument x
. If vector
, returns
the same as base::sum
. If matrix
, returns vector containing
the sum of each column.
P. Roebuck, roebuck@mdanderson.org
sum(1:9) sum(matrix(1:9, 3, 3))