Verbose Assertions for Tabular Data (Data.frames and Data.tables)

Simple, flexible, assertions on data.frame or data.table objects with verbose output for vetting. While other assertion packages apply towards more general use-cases, assertable is tailored towards tabular data. It includes functions to check variable names and values, whether the dataset contains all combinations of a given set of unique identifiers, and whether it is a certain length. In addition, assertable includes utility functions to check the existence of target files and to efficiently import multiple tabular data files into one data.table.


Reference manual

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0.2.1 by Grant Nguyen, 10 days ago

Browse source code at

Authors: Grant Nguyen

Documentation:   PDF Manual  

GPL-3 license

Imports data.table, parallel

Suggests knitr, rmarkdown

See at CRAN