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Subset a genproc result to its failed cases

Source: R/inspect_helpers.R
errors.Rd

Returns the rows of result$log corresponding to cases where success == FALSE. The columns are exactly those of result$log (case_id, mask parameters, success, error_message, traceback, duration_secs).

Usage

errors(x, ...)

# S3 method for class 'genproc_result'
errors(x, ...)

Arguments

x

A genproc_result produced by genproc().

...

Unused, for future extensions.

Value

A data.frame with one row per failed case. Empty data.frame (with the same columns) if there are no failures. Returns NULL (with a message) if the run is non-blocking and has not been materialized yet.

See also

rerun_failed(), summary.genproc_result()

Examples

result <- genproc(
  f = function(x) if (x %% 2 == 0) x / 0 else x,
  mask = data.frame(x = 1:6)
)
errors(result)[, c("case_id", "x", "error_message")]
#> [1] case_id       x             error_message
#> <0 rows> (or 0-length row.names)