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AjayTiwari94/README.md

👋 Hello World, I'm Ajay Tiwari

Data Analyst | Python | SQL | Machine Learning | AI/ML

Noida Institute of Engineering & Technology | Batch 2022–26

$${\color{yellow}Currently\ accepting\ Internship\ opportunities\ for\ the\ Data\ Analyst\ or\ AI/ML\ Engineer\ roles}$$

Quick Links

Data Analysis Driven Projects

Data_Analysis-MySQL

Highlights:

  • Complex SQL queries for analytics
  • Joins, CTEs, Window Functions
  • Schema understanding + ER diagrams
  • Real-world business insights

Data_Analysis-Excel

Highlights:

  • Data cleaning, transformation & standardization
  • Pivot Tables, XLOOKUP, Power Query
  • KPI dashboards & professional reporting
  • Automated workflows for faster insights

Data_Analysis-Tableau

Highlights:

  • Worked with 30M+ rows (3 Crore)
  • Joined Listings, Calendar & Reviews datasets
  • Dashboards include:
    • Property availability
    • Price per bedroom
    • ZIP-code-based heatmaps
    • Yearly price trends
  • Rich interactivity with actions & filters

AI & Machine Learning Projects

AI Medical Imaging Diagnosis System

Multi-AI Agent Medical Diagnostic System

Traffic Sign Detection (YOLOv8 + LISA Dataset)

Highlights:

  • Trained YOLOv8 model
  • Real-time traffic sign detection
  • Complete ML pipeline (preprocess → train → evaluate → deploy)

MPIN Strength & Pattern Analysis

  • 4-digit & 6-digit PIN trend analysis
  • Security pattern detection
  • Fintech-relevant insights

Mental Health Data Analytics

  • Dataset visualization using Power BI & Python
  • Interactive dashboards
  • Insights into behavior & mental wellness factors

Tech Stack

Languages & Tools Python • Java • SQL
Pandas • NumPy • Matplotlib • Seaborn
Power BI • Excel • Tableau

ML / AI Frameworks Scikit-learn • TensorFlow • YOLOv8
OpenCV • Hugging Face • Gemini API

Deployment Streamlit • Hugging Face Spaces • Vercel
Git • GitHub • VS Code • Google Colab

GitHub Stats

Featured Demos

  • AI Medical Imaging System → X-ray → Pneumonia detection
  • Multi-AI Diagnostic Agent → Symptoms + Reports

What’s Next?

  • Expanding AI + Data Analytics portfolio
  • Building Generative AI Applications
  • Preparing for Data Analyst / AI Engineer roles
  • Open for collaborations

Let’s Connect

✨ "Code with purpose, analyze with curiosity, build with impact."

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  1. Data_Analysis-Excel Data_Analysis-Excel Public

    This repository showcases a complete data analysis project performed entirely in Microsoft Excel, covering everything from raw data cleaning to actionable insights. It demonstrates how powerful Exc…

    1

  2. Data_Analysis-MYSQL Data_Analysis-MYSQL Public

    This repository contains a complete end-to-end data cleaning workflow performed using MySQL on a real-world dataset. It demonstrates how to identify inconsistencies, remove duplicate records, handl…

    1

  3. Data_Analysis-Tableau Data_Analysis-Tableau Public

    Tableau-based data analysis project using 30M+ Airbnb records joined from Listings, Calendar, and Reviews files to build interactive dashboards and visual insights.

  4. Multi-AI-Agent-Medical-Diagnosis Multi-AI-Agent-Medical-Diagnosis Public

    Multi-Agent AI Medical Diagnostic System using Flask. It integrates a Symptom Analysis Agent, Medical Imaging Agent, and Knowledge Base Agent, coordinated by a Router Agent, to analyze patient data…

    HTML 1

  5. Traffic-Signal-Recognition-System Traffic-Signal-Recognition-System Public

    A deep learning–based model that detects and classifies traffic signals in real time using CNNs, achieving 92% mAP accuracy for safer and smarter road transportation.

    Jupyter Notebook 2

  6. Medical-Imaging-Diagnosis Medical-Imaging-Diagnosis Public

    This system includes a Medical Imaging Diagnosis Agent that processes chest X-ray images to detect pneumonia. The AI uses a trained deep learning model to analyze lung patterns, identify abnormalit…

    Python 2