data-hygiene

Test-contamination detector - finds train/eval overlap via deterministic shingle matching, per-source rollups, CI-ready exit codes. Standard library only.

A dependency-free, no_std Rust crate for secure in-memory secret handling, constant-time checks, and automated clear-on-drop zeroization.

Python CLI that profiles every column in an Excel file and flags hidden data-quality problems (mixed types, sentinel values, missing data, cardinality anomalies) in plain English. Outputs PDF, HTML, JSON, or annotated-Excel reports, with strict cell-level type detection that catches mixed-type columns pandas silently coerces.

One-page reference on GTIN, GDSN, item-setup, and freight-class rules for specialty food operators, with a downloadable PDF.

Product data validation tool for specialty food brands preparing for national retail

Official NumDetect technical resources, guides, and developer articles.

Deterministisches, latenzarmes Daten-Bügeleisen zur Bereinigung, Validierung und kryptografischen Auditierung unstrukturierter Datenströme – Zero Dependencies.

A clean list is the start of the next campaign. Check validity and activation signals to find records worth reviewing, then feed the structured result into list cleaning, CRM updates and pre-outreach checks so every action starts with clearer data.

Contact data hygiene CLI for music PR. Email validation, deduplication, and enrichment.

Standard-library Python recipes for marketing and revenue operations: CRM export auditing, company deduplication, and UTM taxonomy linting. Copy a file and run it.

Dimension and weight validation for product data — catches the dim-weight defects behind freight chargebacks and compliance fines. Python.

TRACER: audit-first intrusion-detection benchmarking toolkit with time-robust evaluation and leakage diagnostics.

Audits messy Excel workbooks for the data-quality issues that show up in real consulting engagements: mixed formats, misused fields, placeholder floods, and phantom duplicates. Generates HTML, Excel, and PDF reports.

A complete product data health audit for a fictional specialty food company. Five artifacts (HTML report, executive tearsheet, dashboard, Excel workbook, Shiny calculator) from one R+Quarto pipeline. Portfolio piece.

Salesforce-native data-hygiene platform that finds and fixes the CRM data issues that break Agentforce agents: auto-fixing safe changes, routing risky ones for approval, and escalating the rest, via a headless engine, an admin app, and a chat agent.

USADATA, Inc. — independent third-party profile of a public API surface, by API Evangelist. USADATA is a data and marketing intelligence company founded in 1998 and headquartered in New York City, backed by Insight Partners. It maintains a database of 260+ million US consumer records, 15+ million businesses, and 190 million households, updated mont

Compare two tabular data files and get a clear report of what changed — rows added, removed, or modified, with before/after values.

Local web app that anonymizes tabular data through guided column-by-column review. Deterministic mappings, format-preserving fakes, bidirectional reverse lookup.