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vildanpir/README.md

Hi, I'm Vildan Pirpiroglu

Data Analyst based in the Netherlands, working with Python, SQL, Tableau, machine learning, and Streamlit. I turn messy operational data into clear metrics, reproducible analyses, and decision-ready dashboards.

Selected projects

Project What it demonstrates
Smart Power — Live app · Tableau · Code End-to-end energy analytics: API ingestion, SQL, EDA, machine learning, Tableau, and Streamlit
Vanguard A/B Test Experiment design, completion metrics, statistical testing, and business-threshold evaluation
Credit Card Fraud Detection Imbalanced classification with a locked final test set, SMOTE, model comparison, and responsible-use limits
Marketing Campaign Performance Weighted funnel metrics, ROAS/CPA analysis, reproducible reporting, and careful non-causal interpretation
Global Shark Incident Analysis Data cleaning, regex-based standardization, EDA, and explicit exposure/reporting limitations

Toolkit

Python · pandas · NumPy · scikit-learn · SQL · MySQL · Tableau · Streamlit · Git/GitHub

I care about reproducibility, honest metric definitions, and communicating what the data can—and cannot—support.

Pinned Loading

  1. smart-power-project smart-power-project Public

    End-to-end Netherlands energy analytics with API ingestion, SQL, machine learning, Tableau and Streamlit.

    Jupyter Notebook

  2. vanguard-ab-test vanguard-ab-test Public

    A/B test analysis of Vanguard's UI redesign: completion, navigation friction, statistics and business thresholds.

    Jupyter Notebook 2

  3. credit-card-fraud-detection credit-card-fraud-detection Public

    Imbalanced credit-card fraud classification with validation-based model selection and a locked final test set.

    Jupyter Notebook

  4. data-wrangling-project data-wrangling-project Public

    Forked from teresamendescoelho-cpu/Project-3-data-wrangling-project

    Marketing campaign performance analysis with weighted funnel metrics, ROAS, CPA and reproducible reporting.

    Jupyter Notebook

  5. Week-2-Project-Shark-Attacks- Week-2-Project-Shark-Attacks- Public

    Forked from mocihu-source/Week-2-Project-Shark-Attacks-

    Reproducible cleaning and EDA of global shark incident records with explicit reporting and exposure limitations.

    Jupyter Notebook