Selected Projects

Deep-dives into data cleaning, analysis, NLP, and visualization — each project is a complete walkthrough from raw data to actionable insights.

Visualization

World Statistics Dashboard

Data Visualization with Power BI

Interactive dashboard for world statistics — population, health, quality of life and economic indicators — using Python web scraping, Power BI data modeling, and DAX measures.

Power BIDAXPythonPower Query+1

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NLP

Keyword Extractor

Web Scraping & Text Analysis

Lightweight web article parser that extracts keywords via URL using word count, TF-IDF, TextRank, and produces word clouds and network graph visualizations.

PythonNLTKscikit-learnNetworkX+1

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Statistics

Marketing A/B Testing

Exploratory & Statistical Analysis

Deep-dive into a marketing A/B test dataset with conversion rate analysis, statistical significance testing (t-test, confidence intervals, Cohen's d), and cost-per-conversion estimation.

PythonPandasSciPyStatsmodels+1

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NLP

Article Summarizer

Web Scraping & Text Evaluation

BART-based article summarization with TF-IDF sentence ranking, evaluated using ROUGE, METEOR, and BERTScore metrics.

PythonTransformersNLTKscikit-learn+1

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Data Analysis

Steam Games Dataset

Clean-up & Analysis

Programmatic data cleaning and analysis of the Steam games dataset — fuzzy matching publishers, calculating estimated revenue, and ranking top developers.

PythonPandasFuzzyWuzzyNumPy+1

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Data Cleaning

LinkedIn Job Listings

Clean-up & Analysis

End-to-end cleaning pipeline for LinkedIn Data Analyst job listings — salary normalization, geocoding via API, criteria splitting, and URL parsing.

PythonPandasOpenCage APIurllib+1

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Data Cleaning

FIFA 22 Player Dataset

Clean-up with Excel & VBA

Multi-method data cleaning using Excel features, VBA macros, and PowerQuery — duplicate checks, date normalization, currency formatting, and conditional visualization.

ExcelVBAPowerQuery

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