tis: cumsum – R documentation

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cumsum

Cumulative Sums, Products, and Extremes

Description

Return a tis whose elements are the cumulative sums, products, minima or maxima of the elements of the argument.

Usage

## S3 method for class 'tis'
cumsum(x)
## S3 method for class 'tis'
cumprod(x)
## S3 method for class 'tis'
cummax(x)
## S3 method for class 'tis'
cummin(x)

Arguments

`x`	a `tis` series.

Details

These are tis methods for generic functions.

Value

A tis like x. An NA value in x causes the corresponding and following elements of the return value to be NA, as does integer overflow in cumsum (with a warning).