R: Find all results where a specific condition is true.

filterResults {BatchJobs}

R Documentation

Find all results where a specific condition is true.

Description

Find all results where a specific condition is true.

Usage

filterResults(reg, ids, fun, ...)

Arguments

`reg`	[`Registry`] Registry.
`ids`	[`integer`] Ids of jobs whose results you want to test for the condition. Default is all jobs for which results are available.
`fun`	[`fun(job, res)`] Predicate function that returns `TRUE` or `FALSE`.
`...`	[any] Additional arguments to `fun`.

Value

[integer]. Ids of jobs where fun(job, result) returns TRUE.

Examples

reg = makeRegistry(id = "BatchJobsExample", file.dir = tempfile(), seed = 123)
f = function(x) x^2
batchMap(reg, f, 1:10)
submitJobs(reg)
waitForJobs(reg)

# which square numbers are even:
filterResults(reg, fun = function(job, res) res %% 2 == 0)

[Package BatchJobs version 1.6 Index]