scidb.stream: scidb operators functions
In rolfsimoes/scidbquery: Massive Satellite Image Time Series

This function wraps the scidb "stream" operator. The operator calls a R script and pass as input an array.

1	scidb.stream(a, script, params = NULL)

`a`	A valid array name or derived AFL command.
`script`	A R file script to be executed.
`params`	Optional. A list of pairs `name=value` to be passed as input arguments to the script. The `value` argument can be either numeric or string. If a vector of those types is passed, each element will be separated by commas.