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tejasteke/README.md

Hi, I'm Tejas Teke 👋

Data Analyst | Python • SQL • Power BI • Machine Learning

🙋 Who am I?

I'm an MCA candidate at IMSCDR, Ahmednagar, with a passion for turning raw data into business insight. I enjoy digging past headline numbers to find the story underneath — whether that's spotting margin erosion hidden inside strong revenue growth, or automating a report that used to take hours.

🔭 What I'm currently working on

  • 📊 Building interactive Power BI dashboards with Power Query and advanced DAX measures for KPI tracking and drill-through reporting
  • 🐍 Independent Python data analysis projects using Pandas and NumPy — most recently a retail sales & profitability analysis on 5,900+ records that uncovered a 62% regional profit decline masked by strong sales growth
  • 🤖 Practicing machine learning fundamentals (classification, regression) with Scikit-learn, including data preprocessing and model evaluation
  • 📚 Strengthening problem-solving skills — 80+ algorithmic challenges solved so far

🛠️ Tools & Technologies

Languages & Data Analysis: Python (Pandas, NumPy, Scikit-learn), SQL, PostgreSQL Visualization & BI: Power BI, Matplotlib, MS Excel Machine Learning: Supervised & unsupervised learning, classification, regression Web: HTML, CSS Tools & Platforms: Git, VS Code, IntelliJ IDEA

📫 How to reach me

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  1. Clinic-Performance-Profitability-Analysis_power_BI Clinic-Performance-Profitability-Analysis_power_BI Public

    Power BI analysis of 2K clinic appointments ($938K revenue, 20.5% margin). Reveals why NY beat LA by $61K on treatment mix (whitening vs. cleaning), uncovers Chicago's 4.1% margin from high overhea…

    1

  2. Sales_data_analysis Sales_data_analysis Public

    A quantitative Python analysis of 5,901 retail transactions ($1.56M total sales). Uncovered a critical margin-erosion pattern where YoY sales surged 77.3% while profit grew only 14.2%, backed by a …

    Jupyter Notebook 1

  3. tejasteke.github.io tejasteke.github.io Public

    he professional portfolio of Tejas Teke, Data Analyst and ML Engineer. Discover interactive Power BI dashboards, Python data pipelines, and predictive machine learning models.

    HTML

  4. superstore-dashboard-Powerbi superstore-dashboard-Powerbi Public

    This project presents an interactive Super Store Sales Dashboard designed to analyze sales and profitability across regions, time periods, product categories, customer segments, payment modes, ship…

  5. amazon-clone amazon-clone Public

    A static e-commerce storefront clone built with HTML, CSS, and Vanilla JavaScript, featuring dark mode and dynamic product rendering.

    HTML

  6. retailml retailml Public

    A serverless, interactive web dashboard combining Python-based Exploratory Data Analysis (EDA) and Machine Learning. Features real-time K-Means customer segmentation and Ridge Regression spending p…

    JavaScript