A Time-Travelling Debugger

Uses provenance post-execution to help the user understand and debug their script by providing functions to look at intermediate steps and data values, their forwards and backwards lineage, and to understand the steps leading up to warning and error messages. 'provDebugR' uses provenance produced by 'rdtLite' (available on CRAN), stored in PROV-JSON format.


Reference manual

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1.0.1 by Barbara Lerner, 2 months ago

Browse source code at https://github.com/cran/provDebugR

Authors: Orenna Brand [aut] , Elizabeth Fong [aut] , Barbara Lerner [cre] , Rose Sheehan [aut] , Joseph Wonsil [aut] , Emery Boose [aut]

Documentation:   PDF Manual  

GPL-3 license

Imports httr, jsonlite, provGraphR, provParseR, textutils

Suggests knitr, rdtLite, rdt, rmarkdown, testthat

See at CRAN