apply2arrays: Returns a vector or array or list of values obtained by...

In stevencarlislewalker/ecoBayesIRT: Helper functions for ecological Bayesian item response theory in R using MCMCpack

Description

Returns a vector or array or list of values obtained by applying a function to margins of two arrays or matrices.

Usage

apply2arrays(X, Y, XMARGIN, YMARGIN, FUN, ...)

Arguments

X,Y	arrays (each potentially a matrix)
XMARGIN,YMARGIN	vectors giving the subscripts which the function will be applied over. see apply for more information. for the special case here, note that all(dim(X)[XMARGIN] == dim(Y)[YMARGIN]) must be TRUE.
FUN	the function to be applied.
...	more arguments to FUN.

Value

a new array, or list if simplify2array cannot do it's job.

Examples

dims <- c(4, 2, 3, 1, 2)
set.seed(1)
(A <- array(rnorm(prod(dims[-2])), dims[-2]))
(B <- array(rnorm(prod(dims[-(3:4)])), dims[-(3:4)]))
apply2arrays(A, B, c(1, 4), c(1, 3), `%*%`)

stevencarlislewalker/ecoBayesIRT documentation built on May 30, 2019, 4:42 p.m.