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michaelnocito/README.md

Hi, I'm Michael Nocito

I love learning and the science of how we learn, and I'm just as drawn to data and the science behind it. Most of what I build comes from putting those two together. Data analyst in Glassboro, NJ, with eight years as an implementation analyst migrating enterprise contract data and owning projects end to end. I work in SQL, Python, and Excel, turning messy data into clear answers.

I build tools for analysts that are low-friction, beginner-friendly, and made to keep challenging you as your skills grow.

LinkedIn

Analysis & Portfolio

📈 Telco Customer Churn: Exploratory Data Analysis

Why telecom customers leave, and which signals predict churn early enough to act on. 7,043 customers cleaned and explored in Python/pandas, from raw data to plain-English findings on contract type, tenure, charges, and add-ons.

→ telco-churn-analysis  ·  Python · pandas · Google Colab

📊 Analyst Prep Kit: Browser-Based Prep for Data Analytics

A free, browser-based suite covering the tools interviewers test: SQL, Excel, Python, Tableau, Power BI, Statistics, and interview prep. Read-it-aloud code breakdowns and hands-on drills in real in-browser environments (live SQLite, Pyodide, Chart.js). No install, no login. An All-Access Pass adds the deeper interview tracks, mock exams, the analyst job sim, and the final exam.

→ analyst-prep-kit  ·  JavaScript · sql.js · Pyodide · Chart.js

🗃️ Spreadsheet Archaeology: A Data-Analyst Job Sim

Inherit a drive of cursed spreadsheets and learn the habits of a working analyst by de-cursing them: read the data, fix type and consistency problems, leave every file better than you found it. A Tableau version does the same for dashboards.

→ spreadsheet-archaeology · tableau-archaeology  ·  JavaScript

🧮 Excel Interview: A Live, In-Browser Excel Assessment

Lets a manager watch a candidate do real Excel work on a call instead of a cheatable take-home. Real grid and formula engine, grading that tells a computed formula from a hardcoded value, and a sealed, tamper-evident result.

→ excel-interview  ·  React · Univer · client-side

Tools & Learning Games

  • SQL Quest: a tower-defense game where real SQL queries control your turret, 23 waves from SELECT to GROUP BY. Live SQLite in the browser. → sql-quest
  • NEXUS: uncover corporate fraud by writing real SQL against a live database. → nexus-sql-mystery
  • RecordForge: a Windows app and Python/pip package that generates realistic fictional test files (PDF, Word, Excel, HTML) for QA, demos, and ETL testing. → recordforge
  • Spreadsheet Cleaner: a guided beginner Python project where you build a spreadsheet auditing and cleaning tool, layer by layer. → spreadsheet-cleaner

I also draw charcoal portraits, mostly dogs, occasionally cats.

Always building. Reach me on LinkedIn.

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  1. spreadsheet-cleaner spreadsheet-cleaner Public

    Beginner Python project — build a real spreadsheet auditing and cleaning tool. Guided comments, plain-English docs, no experience needed.

    Python

  2. recordforge recordforge Public

    RecordForge — generate fictional PDFs, Word docs, HTML files, and Excel datasets for data engineering, QA, and ETL testing. Python package + Windows desktop app.

    Python