diff2: Fast lagged differences

In HenrikBengtsson/matrixStats: Functions that Apply to Rows and Columns of Matrices (and to Vectors)

Fast lagged differences

Description

Computes the lagged and iterated differences.

Usage

diff2(x, idxs = NULL, lag = 1L, differences = 1L, ..., useNames = TRUE)

Arguments

x	A numeric vector of length N.
idxs	A vector indicating subset of elements to operate over. If NULL, no subsetting is done.
lag	An integer specifying the lag.
differences	An integer specifying the order of difference.
...	Not used.
useNames	If NA, the default behavior of the function about naming support is remained. If FALSE, no naming support is done. Else if TRUE, names attributes of result are set.

Value

Returns a numeric vector of length N - differences.

Author(s)

Henrik Bengtsson

See Also

diff().

Examples

diff2(1:10)

HenrikBengtsson/matrixStats documentation built on Nov. 15, 2024, 3:20 p.m.