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HyrumDev94/README.md

Hi, I'm Hyrum Olschewski

Data Scientist | Python • SQL • Machine Learning • Visualization

I'm a data scientist passionate about uncovering insights that drive smarter decisions.
My work focuses on cleaning, analyzing, and modeling data using Python, SQL, and visualization tools.
I enjoy transforming raw data into clear stories and predictive insights that make a measurable difference.

Skills

  • Programming: Python, SQL, Jupyter Notebook
  • Data Analysis: pandas, NumPy, Matplotlib, Seaborn
  • Machine Learning: scikit-learn, logistic regression, decision trees, random forests
  • Data Visualization: Tableau, Power BI, Seaborn, Matplotlib
  • Version Control: Git & GitHub

Projects

  • Video Game Sales Analysis – Explored sales patterns and identified growth trends using hypothesis testing and visualization.
  • Customer Churn Prediction – Built predictive models to identify at-risk customers using classification algorithms.
  • Ride Data Analysis (SQL) – Queried and analyzed transportation data to uncover usage patterns and operational insights.

Contact

⭐️ Thanks for visiting my profile! Feel free to explore my projects and connect with me.

Pinned Loading

  1. car-ads-dashboard car-ads-dashboard Public

    Interactive dashboard analyzing car listing data using SQL and visualization tools.

    Jupyter Notebook

  2. coin-toss-app coin-toss-app Public

    Streamlit web app simulating coin flips with live visual stats and probability charts.

    Python

  3. customer-churn-prediction customer-churn-prediction Public

    Machine learning project predicting telecom customer churn using logistic regression and random forest models.

    Jupyter Notebook

  4. Data_projects_TripleTen Data_projects_TripleTen Public

    Portfolio of TripleTen Data Science projects covering Python, SQL, visualization, and machine learning.

    Jupyter Notebook

  5. video-game-sales-analysis video-game-sales-analysis Public

    Analysis of global video game sales trends using hypothesis testing and visualization.

    Jupyter Notebook

  6. HyrumDev94 HyrumDev94 Public

    Portfolio of TripleTen Data Science projects covering Python, SQL, visualization, and machine learning.