R: Catching Results, Warnings and Errors Simultaneously

catch {gnn}

R Documentation

Catching Results, Warnings and Errors Simultaneously

Catches results, warnings and errors.

catch(expr)

expr

expression to be evaluated, typically a function call.

This function is particularly useful for large(r) simulation studies to not fail until finished.

list with components:

`value`	value of `expr` or `NULL` in case of an error.
`warning`	warning message (see `simpleWarning` or `warning()`) or `NULL` in case of no warning.
`error`	error message (see `simpleError` or `stop()`) or `NULL` in case of no error.

Marius Hofert (based on doCallWE() and tryCatch.W.E() in the R package simsalapar).

library(gnn) # for being standalone

catch(log(2))
catch(log(-1))
catch(log("a"))

[Package gnn version 0.0-4 Index]