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astrosica/README.md

Hello, I'm Jess! ✨

I'm a Data Science Consultant and former Astrophysicist passionate about impacting the world with data.

πŸ‘©β€πŸ’» About Me

πŸ“ˆ First employee as Data Science Consultant at fintech startup Your Treasury
πŸ”­ 8+ YOE in quantitative data-driven research and analysis
πŸ“š PhD in Astronomy & Astrophysics + HBSc in Astronomy & Physics from the University of Toronto
πŸ’¬ Taught 500+ technical and non-technical students over 17 classes, including on the use of Python
πŸ“ Published several technical papers in esteemed research journals
πŸ‘₯ Mentored a student on a year-long data project through to publication
🧡 Fun fact: I cross-stitch realistic astronomy observations on Etsy

πŸ› οΈ Skills

Languages: Python (NumPy, Pandas, Matplotlib, Seaborn, Scikit-Learn, SciPy), SQL (BigQuery, MySQL)
Tools: Tableau, Git/GitHub, Jupyter Notebook, MS Office Suite (Excel, PowerPoint, Word)
Techniques: EDA, Statistical analysis, Data pipelines, ML, Fourier Analysis, Documentation, Quantitative Research, Technical writing, Data visualization

🌐 Contact

Email me at [email protected]
Connect with me on LinkedIn at linkedin.com/astrosica

Data Projects

Machine Learning (Python)

  • Credit Card Application Prediction: Developed a prediction model that determines whether a credit card application will be approved or denied using Logistic Regression, KNN, and Random Forest models in Python.

Reporting and Dashboards (SQL, Tableau, Excel)

  • Insurance Analysis: Developed an interactive Tableau dashboard to report and analyze 70K insurance claims, providing actionable insights to guide future marketing and budget decisions as a PowerPoint presentation.
  • Marketing Analysis: Performed exploratory analysis and data validation of 100K sales records for a sample e-commerce company using Excel and SQL (Google BigQuery). Developed an interactive Tableau dashboard to report sales and marketing metrics.
  • TTC Delay Analysis: Performed exploratory analysis and data cleaning of 40K subway delays for 2022-2023 using SQL and Tableau to investigate performance metrics, YoY KPIs, and performance strategies.

Learning Projects

Machine Learning (Python)

Pinned Loading

  1. data-science-portfolio data-science-portfolio Public

    Jupyter Notebook 3

  2. W3-DIT W3-DIT Public

    User-based automated data pipeline for data management and analysis of DIT photometry of the W3 giant molecular cloud.

    Python