slice {arrayhelpers} | R Documentation |
alternative to index an array
Description
slice
is an alternative interface to [
(extract).
Dimensions to index must be given by name, i for the first, j for the second and so on.
Usage
slice(a, ..., drop = TRUE)
slice (a, ...) <- value
Arguments
a |
vector, matrix, or array |
... |
indexing instructions. The names of the arguments specify the dimension
(i = 1st, j = 2nd, ...). The indexing expressions are the same as for |
drop |
see |
value |
the values to assign |
Value
array
Author(s)
Claudia Beleites
Examples
slice (arrayhelpers:::a, j = 3 : 2)
tmp <- arrayhelpers:::a
slice (tmp, j = 2 : 3) <- 0
tmp
[Package arrayhelpers version 1.1-0 Index]