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st-olz/README.md

Hello there!

My name is Stefan Scholz and I'm an Industrial Engineer from Görlitz, Germany. I'm currently educate myself in the field of Data Science. My main focus is on Python and SQL. At the moment I'm trying out business intelligence services like Microsoft Power BI.

Languages and Tools:

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  1. metal_archives Public

    What are the predominant genres and themes in metal music? (web scraping, sql database, normalize text data, geographic heatmap, word cloud)

    Jupyter Notebook 4 2

  2. tree_models_productivity Public

    Predicting employee productivity using tree models (decision tree cassification, cross validation, minimal cost-complexity pruning, random forest)

    Jupyter Notebook 1

  3. optimize_profile_lenghts Public

    Reduce material waste by calculating optimal profil lengths to keep in store (pandas, matplotlib, seaborn, donut chart)

    Jupyter Notebook

  4. power_bi_portfolio Public

    Portfolio of a couple of Business intelligence projects with Microsoft Power BI

    Jupyter Notebook 1

  5. handwritten_digits Public

    Building a handwritten digits classifier (image classification, k-nearest neighbors, deep neural networks)

    Jupyter Notebook

  6. linreg_insurance Public

    Predicting insurance costs with linear regression. (sequential feature selection, k-means cluster analysis)

    Jupyter Notebook

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April 2025

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