The ore.indexApply
function executes the specified user-defined input function using data that is generated by the input function. It supports task-parallel execution, in which one or more R engines perform the same or different calculations, or task. The times
argument to the ore.indexApply
function specifies the number of times that the input function executes in the database. Any required data must be explicitly generated or loaded within the input function.
The syntax of the ore.indexApply
function is the following:
ore.indexApply(times, FUN, ..., FUN.VALUE = NULL, FUN.NAME = NULL, FUN.OWNER = NULL, parallel = getOption("ore.parallel", NULL))
The ore.indexApply
function returns an ore.list
object or an ore.frame
object.
Examples of the use of the ore.indexApply
function are in the following topics:
See Also:
"Arguments for Functions that Run Scripts" for descriptions of the arguments to function ore.indexApply