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zkhechadoorian/README.md

Hi, I'm Zep! ๐Ÿ‘‹

Physicist turned data scientist, focused on applying machine learning to problems in health, medicine, and nutrition.

I'm drawn to projects where the analysis has real stakes โ€” understanding disease, improving diagnostics, or uncovering how lifestyle affects biology. Currently seeking junior data science roles.


๐Ÿ”ฌ What I'm Working On

  • MRI Brain Tumor Classification โ€” Deep learning pipeline for classifying brain MRI scans into four tumor categories using ResNet18. Emphasis on minimizing missed diagnoses through class-weighted training, early stopping, and threshold-optimized inference.

  • Healthcare Data Warehouse โ€” Built a medallion architecture (bronze โ†’ silver โ†’ gold) data warehouse on PostgreSQL using CMS Medicare synthetic claims data (DE-SynPUF, 2.3M beneficiaries, 11M+ claims). Bronze layer loads raw CSVs; silver layer implements type casting, deduplication, and code decoding; gold layer focuses on dimensional modeling and analytics. Demonstrates SQL proficiency, data quality practices, and ETL pipeline design.

  • American Gut Project Microbiome Analysis โ€” Analyzing the effects of coffee consumption on gut microbiome composition. Combines biology domain knowledge with statistical analysis.

  • Oura Menstrual Cycle Phase Detection - Analyzing personal data collected from the Oura ring to detect ovulation based on temperature readings and detect irregular luteal phase lengths compared to population statistics. Combines reproductive health knowledge with statistical analysis.


๐Ÿ› ๏ธ Technical Skills

Languages: Python, SQL, C++
ML/DL: PyTorch, TensorFlow, Scikit-learn
Data: Pandas, NumPy, Matplotlib, Seaborn
Tools: Git, Jupyter, Docker, AWS


๐Ÿ—‚๏ธ Other Projects


๐Ÿ“ซ Let's Connect

LinkedIn Email

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  1. CNNs_Cats_and_Dogs CNNs_Cats_and_Dogs Public

    Jupyter Notebook

  2. mri-brain-tumor-classification mri-brain-tumor-classification Public

    Deep learning pipeline for classifying brain MRI scans into four tumor categories using ResNet18. Emphasis on minimizing missed diagnoses through class-weighted training, early stopping, and threshโ€ฆ

    Jupyter Notebook

  3. florida_department_of_corrections_analytics florida_department_of_corrections_analytics Public

    Jupyter Notebook

  4. healthcare-data-warehouse healthcare-data-warehouse Public

    PLpgSQL

  5. NYC-LL84-Benchmarking NYC-LL84-Benchmarking Public

    Jupyter Notebook