A multiprocess future is a future whose value will be resolved asynchronously in a parallel process
MultiprocessFuture(expr = NULL, substitute = TRUE, envir = parent.frame(), ...)MultiprocessFuture() returns an object of class MultiprocessFuture.
An R expression.
If TRUE, argument expr is
substitute():ed, otherwise not.
The environment from where global objects should be identified.
Additional named elements passed to Future().