rowDiffs {MatrixGenerics} | R Documentation |
Calculates the difference between each element of a row (column) of a matrix-like object.
rowDiffs(x, rows = NULL, cols = NULL, lag = 1L, differences = 1L, ...) ## S4 method for signature 'matrix_OR_array_OR_table_OR_numeric' rowDiffs(x, rows = NULL, cols = NULL, lag = 1L, differences = 1L, dim. = dim(x), ...) ## S4 method for signature 'ANY' rowDiffs(x, rows = NULL, cols = NULL, lag = 1L, differences = 1L, ...) colDiffs(x, rows = NULL, cols = NULL, lag = 1L, differences = 1L, ...) ## S4 method for signature 'matrix_OR_array_OR_table_OR_numeric' colDiffs(x, rows = NULL, cols = NULL, lag = 1L, differences = 1L, dim. = dim(x), ...) ## S4 method for signature 'ANY' colDiffs(x, rows = NULL, cols = NULL, lag = 1L, differences = 1L, ...)
x |
An NxK matrix-like object. |
rows, cols |
A |
lag |
An integer specifying the lag. |
differences |
An integer specifying the order of difference. |
... |
Additional arguments passed to specific methods. |
dim. |
An |
The S4 methods for x
of type matrix
,
array
, or numeric
call
matrixStats::rowDiffs
/ matrixStats::colDiffs
.
Returns a numeric
matrix
with one column
(row) less than x: Nx(K-1) or (N-1)xK.
matrixStats::rowDiffs()
and
matrixStats::colDiffs()
which are used
when the input is a matrix
or numeric
vector.
base::diff()
.
mat <- matrix(rnorm(15), nrow = 5, ncol = 3) mat[2, 1] <- NA mat[3, 3] <- Inf mat[4, 1] <- 0 print(mat) rowDiffs(mat) colDiffs(mat)