Welcome, I'm Yusuf
AI/ML Engineer and Data Scientist
Explore my work across data and ML
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Headline A/B Test Analysis
Analyzing 30,000+ A/B headline experiments from the Upworthy Research Archive (2013–2015) to determine what drives user engagement and validate experimental reliability. Covering impressions, clicks, CTR, and multiple headline variations per test.
Slack Pricing & Growth Experiment
A growth analysis exploring how targeted discounts drive conversion and retention. The right discount, to the right customer — a deep dive into pricing experimentation at scale.
Estimating Treatment Effects with Difference-in-Differences
A causal inference project using Difference-in-Differences methodology on synthetic panel data. Progresses from classic 2×2 designs through modern approaches like Callaway-Sant’Anna and HonestDiD, exposing how Two-Way Fixed Effects becomes unreliable under staggered treatment adoption.
Skills built through real-world experience
Years of hands-on work across data science, machine learning, and analytics — reflected in the tools I reach for every day.
Languages & Data
Python
SQL
R
ML & Frameworks
TensorFlow / PyTorch
Scikit-learn
Pandas / NumPy
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