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Teresa Ferrill | Data Science Portfolio

This portfolio presents selected data-science and analytics projects involving machine learning, exploratory data analysis, predictive modeling, data visualization, and responsible use of data.

My professional background includes enterprise data architecture, database development, systems engineering, and technical program leadership. These projects demonstrate how I apply Python, statistical analysis, machine learning, and visualization to practical questions in education, public policy, housing, and related domains.

Portfolio Status

This portfolio currently includes six completed projects and three projects that are still being developed or finalized. Project statuses will be updated as additional analysis and documentation are completed.

Project Status
University Dropout Prediction Complete
Childcare Costs Across the United States Complete
New York City Airbnb Listing Analysis Complete
Netflix Viewership Analysis Complete
White House Attendance Analysis Complete
TSA Complaint Analysis In Progress
Hays County Real Estate Analysis In Progress
Startup Business Outcome Prediction In Progress
EV Purchase Prediction Complete

Featured Projects

University Dropout Prediction

Machine-learning classification project that compares Logistic Regression, Random Forest, and XGBoost for identifying students at risk of withdrawing. The project emphasizes recall, interpretability, fairness evaluation, and responsible institutional use.

Technologies: Python, pandas, scikit-learn, XGBoost, Matplotlib, Jupyter Notebook

View the University Dropout Prediction project


Childcare Costs Across the United States

Exploratory analysis of the National Database of Childcare Prices examining weekly childcare prices across states, regions, age groups, and care settings. The repository includes a notebook, dashboard, presentations, and written report.

Technologies: Python, pandas, NumPy, Matplotlib, Seaborn, Jupyter Notebook

View the Childcare Costs Across the United States project


New York City Airbnb Listing Analysis

Exploratory analysis of 2019 New York City Airbnb data examining price distributions, room types, review activity, and neighborhood differences.

Technologies: Python, pandas, Matplotlib, Seaborn, Jupyter Notebook

View the New York City Airbnb Listing Analysis project


Netflix Viewership Analysis

Exploratory analysis of Netflix Top 10 data examining global viewing trends, sustained chart presence, content categories, country-level coverage, and titles with broad geographic visibility.

Technologies: Python, pandas, Matplotlib, openpyxl, Jupyter Notebook

View the Netflix Viewership Analysis project


White House Attendance Analysis

Descriptive analysis of White House visitor records from selected months in 2022 and 2023. The project examines recorded activity by month, day of the week, arrival hour, named visitee, and meeting location while emphasizing responsible interpretation and data limitations.

Technologies: Python, pandas, Matplotlib, Jupyter Notebook

View the White House Attendance Analysis project


TSA Complaint Analysis

Technologies: Python, pandas, Matplotlib, Jupyter Notebook

View the TSA Complaint Analysis project


Hays County Real Estate Analysis

A time-series forecasting project that combines county-level housing inventory data with mortgage-rate information to predict Hays County’s median days on market one month in advance. The analysis compares regression and machine-learning models with simple historical baselines and translates the results into practical guidance for real estate professionals.

Technologies: pandas, numpy, matplotlib, seaborn

View the Hays County Real Estate Analysis project


Startup Business Outcome Prediction

A machine-learning classification project examining whether startup characteristics available at a defined point in time can predict future business outcomes. The analysis addresses class imbalance, compares baseline and machine-learning models, and evaluates which company and funding characteristics contribute most to the predictions.

Status: Complete

Technologies: Python, pandas, scikit-learn, Matplotlib, Seaborn, Jupyter Notebook

View the Startup Business Outcome Prediction project


EV Purchase Prediction

Machine-learning classification project predicting electric vehicle purchase interest using demographic, financial, transportation, charging-access, and attitudinal data. The analysis compares logistic regression, random forest, and histogram gradient boosting models, with the final model achieving a validation ROC AUC of 0.9414 and a Kaggle public leaderboard score of 0.94118.

Technologies: Python, pandas, NumPy, scikit-learn, Matplotlib, Jupyter Notebook

View the EV Purchase Prediction project


About Me

I am an enterprise data architect and technical leader with extensive experience designing data platforms, integrating complex information systems, and guiding technology initiatives from planning through implementation. My interests include data architecture, predictive analytics, machine learning, data engineering, and the responsible application of analytical models.

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Data science portfolio featuring machine learning, predictive analytics, exploratory analysis, and data visualization projects using Python.

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