Introduction | Overview | Key Features | Core Concepts | Rule Structure | Data Structure | Result Structure | Usage Examples | Complete Example | Example data: | Validation rules | Mode Comparison | When to Use Which? | Performance Tips | Error Message Design | Advanced Usage | Categorizing Violations | Generating Summary Reports | HTML Check Report | XLSX Export | Tracking Changes Across Runs | Visualizing Validation Results | Common Patterns and Recipes | Range Checks | Presence Checks | Format Validation | Conditional Checks | Reference Data Checks | Group-Specific Validation | Best Practices | Conclusion | Key Benefits | Final Thoughts

Cheat sheet | Row matching strategies | OUT* outputs | SYSINFO bitmask | Things ksCompare does not try to replicate

A first comparison | What's inside cmp? | Triage helpers | Tolerances | Options | Renamed columns | Reading files directly | Duplicate keys | Next steps

HTML | Smart sampling | Group by key | Excel

ULP tolerance | Auto-key inference | Diff triage helpers | First / last unequal observations | Duplicate-key strategies | SAS format normalisation | Encoding-safe string comparison | Pattern detection

ks_assert_clean | Tolerating known diffs | CI integration | With pointblank | With arsenal