| diff2 {matrixStats} | R Documentation |
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
Run examples
diff2(1:10)
[Package
matrixStats version 1.4.1
Index]