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Browse projects tagged with "statistical-analysis".
College Major vs Your Salary — Data Exploration with Pandas
DataDoes picking STEM actually guarantee better earnings? This analysis of 1.2M graduate salaries across 51 majors says it's more complicated. STEM leads on starting salary — but growth rates are nearly identical to HASS, and Economics' earnings ceiling beats every engineering field.
Data Preprocessing Pipeline — NYC Airbnb
DataA production-grade, class-based data preprocessing pipeline built in Python on the NYC Airbnb Open Dataset (48,895 listings). Handles missing values, outliers, duplicates, encoding, and scaling — then generates five before/after diagnostic visualisations.
Hypothesis Testing Explorer — scipy and PySpark
DataUpload two CSV columns, select a test, get a plain-English verdict. Five hypothesis tests with automatic assumption checking. Datasets above 50,000 rows route through PySpark automatically.
Telco Customer Churn Predictor
DataChurn prediction with plain-language risk explanations a retention team can act on. Logistic Regression wins (ROC-AUC 0.8362), benchmarked against Amazon Bedrock Claude Haiku 4.5 zero-shot — tied at 70%. Flask API on Azure.
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