| cumsum {base} | R Documentation |
Cumulative Sums, Products, and Extremes
Description
Returns a vector whose elements are the cumulative sums, products, minima or maxima of the elements of the argument.
Usage
cumsum(x)
cumprod(x)
cummax(x)
cummin(x)
Arguments
x |
a numeric object. |
Details
An NA value in x causes the corresponding and following
elements of the return value to be NA.
Examples
cumsum(1:10)
cumprod(1:10)
cummin(c(3:1, 2:0, 4:2))
cummax(c(3:1, 2:0, 4:2))