Returns an iterator over an array, which iterates over the
array in much the same manner
as the apply function.
Usage
iapply(X, MARGIN)
Arguments
X
the array to iterate over.
MARGIN
a vector of subscripts.
1 indicates the first dimension (rows), 2
indicates the second dimension (columns), etc.
Value
The apply iterator.
See Also
apply
Examples
a <- array(1:8, c(2, 2, 2))
# iterate over all the matrices
it <- iapply(a, 3)
as.list(it)
# iterate over all the columns of all the matrices
it <- iapply(a, c(2, 3))
as.list(it)
# iterate over all the rows of all the matrices
it <- iapply(a, c(1, 3))
as.list(it)