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

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

## Documentation for package ‘assertable’ version 0.2.8

- DESCRIPTION file
- User guides, package vignettes and other documentation
- Package README

## Help Pages

assert_colnames | Assert that a data.frame contains specified column names
assert_coltypes | Assert that a data.frame's columns are certain types
assert_ids | Assert that a data.frame contains all unique combinations of specified ID variables, and doesn't contain duplicates within combinations
assert_nrows | Assert that a data.frame contains a specified number of rows
assert_values | Assert that a data.frame's columns are non-NA/infinite, or are greater, less than, equal/not-equal, or contain specified values.
check_files | Check for the existence of a vector of files, optionally repeated for a set amount of time.
import_files | Given a vector of filenames, append all files and return as one data.table using a user-defined function