| sum {matlab} | R Documentation |
Provides sum of elements.
sum(x, na.rm = FALSE)
x |
numeric or logical to be summed |
na.rm |
logical scalar. If TRUE, remove missing values |
This is an S4 generic function.
Return value depends on argument x. If vector, returns the same as
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))