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R tabulation functions
The following section contains the 1010data-supplied functions that can be placed within a tabulation (<tabu>) in the Macro Language code.
DistApply(using,fun,args)
Run a function fun with the argument args on each segment in a sub-process and return a list of segment results.

R tabulation functions
The following section contains the 1010data-supplied functions that can be placed within a tabulation (<tabu>) in the Macro Language code.
- DistApply(using,fun,args)
  Run a function fun with the argument args on each segment in a sub-process and return a list of segment results.
- DistReduce(using,mapfun,args,reducefun)
  DistReduce() is only run on sub-processes and is a way to shrink the amount of data being passed to the accum.
- Tabulation function examples
  The following examples show how to implement various R applications within Macro Language code tabulation functions DistApply(), DistReduce(), MakeTable(), and Get().

`DistApply(using,fun,args)`

Run a function fun with the argument args on each segment in a sub-process and return a list of segment results.

Syntax

DistApply(using,fun,args)

Description

If there are a large number of segments per sub-process, you may consider using DistReduce() instead of DistApply(). When there are a large number of segments, DistReduce() will shrink the amount of data being passed to the accum and will perform better than DistApply().

Arguments

using: The column information for each segment. This "primes" the data for the sub-processes.
fun: The function to be applied to each segment. fun takes a single argument.
args: The argument to fun.

Return Value

A list of segment results.