gmatrix (version 0.3)

gsumby: Sumby

Description

Find sub-sums of a gvector

Usage

gsumby(v, startPos, stopPos)

Arguments

v

a gvector

startPos

a vector of start positions

stopPos

a vector of stop positions

Value

returns a gvector object of the same length as startPos and stopPos. Each element is the sum of elements in v.

Details

startPos and stopPos must be of the same length.

Examples

gsumby(g(1:10), c(1,6), c(5,10)) # g(c(15,40))