https://github.com/scarblase/portfolioprojects

A collection of data analysis and business intelligence projects using SQL, Python, and visualization tools to uncover insights from real-world datasets. 🚀📊
https://github.com/scarblase/portfolioprojects

csv data-analysis data-engineering data-mining data-science data-visualization matplotlib matplotlib-pyplot pandas python python3 seaborn sql

Last synced: 8 months ago
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A collection of data analysis and business intelligence projects using SQL, Python, and visualization tools to uncover insights from real-world datasets. 🚀📊

• Host: GitHub
• URL: https://github.com/scarblase/portfolioprojects
• Owner: scarblase
• Created: 2024-09-23T21:29:33.000Z (about 1 year ago)
• Default Branch: origin
• Last Pushed: 2025-03-02T12:06:49.000Z (8 months ago)
• Last Synced: 2025-03-02T13:20:20.144Z (8 months ago)
• Topics: csv, data-analysis, data-engineering, data-mining, data-science, data-visualization, matplotlib, matplotlib-pyplot, pandas, python, python3, seaborn, sql
• Language: Jupyter Notebook
• Homepage: https://www.datacamp.com/portfolio/tmhomenko
• Size: 22.8 MB
• Stars: 1
• Watchers: 1
• Forks: 0
• Open Issues: 0
• Metadata Files:
  • Readme: README.md

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README

          
🚀 **Data Analytics & Business Intelligence Portfolio** 📊

Welcome to my **PortfolioProjects** repository! This collection showcases my expertise in **SQL, Python, and data visualization** through hands-on projects that analyze real-world datasets. From **data cleaning** to **exploratory data analysis (EDA)** and **business insights**, these projects reflect practical applications of data-driven decision-making. 💡

---

## 🔍 **Project Highlights**

### 📈 **COVID-19 Data Analysis**

- **Tools:** SQL, Excel, Tableau

- **Goal:** Analyze COVID-19 trends in cases, deaths, and vaccinations.

- **Key Insights:**

  - Identified global trends in infection and vaccination rates.

  - Analyzed country-wise impact using SQL queries and Tableau visualizations.

- **Files:** `Covid Portfolio Project.sql`, `CovidDeaths.xlsx`, `CovidVaccinations.xlsx`

### 🏡 **Nashville Housing Market Data Cleaning**

- **Tools:** SQL

- **Goal:** Prepare messy real estate data for analysis.

- **Key Steps:**

  - Standardized date formats and address fields.

  - Removed duplicates and handled missing data.

- **File:** `NashvilleHousingPP(Data Cleaning).sql`

### 💰 **Billionaires Dataset Analysis**

- **Tools:** Python (Pandas, Matplotlib, Seaborn)

- **Goal:** Examine wealth distribution and industry dominance.

- **Key Insights:**

  - Tech industry dominates billionaire wealth.

  - Identified top wealth-generating countries.

- **File:** `Billioners Dataset.xlsx`

### 🎬 **Netflix Customer Database Exploration**

- **Tools:** Python (Pandas, Seaborn)

- **Goal:** Understand customer viewing habits and trends.

- **Key Findings:**

  - Analyzed genre preferences and subscription patterns.

  - Explored customer retention rates.

- **File:** `Netflix Customer Database Exploration.ipynb`

### 🛒 **Bike Store Sales Performance (Excel Dashboard)**

- **Tools:** Excel (Pivot Tables, Charts)

- **Goal:** Build an interactive sales performance dashboard.

- **Key Insights:**

  - Identified best-selling products and peak sales periods.

  - Analyzed regional sales trends.

- **File:** `Excel Project Bike Store.xlsx`

---

## 📂 **Repository Structure**

```

📁 PortfolioProjects

│── 📄 README.md        # You're reading it! Repository overview.

│── 📊 Data Cleaning in Pandas.ipynb  # Python-based data cleaning.

│── 📊 EDA in pandas.ipynb  # Exploratory Data Analysis.

│── 📊 Groupby And Aggregate Functions.ipynb  # Advanced Pandas functions.

│── 📊 Merge, Join, Concatenate.ipynb  # Data merging techniques.

│── 📊 Visualizations in Pandas.ipynb  # Data visualization techniques.

│── 📊 NashvilleHousingPP(Data Cleaning).sql  # SQL-based data cleaning.

│── 📊 Covid Portfolio Project.sql  # COVID-19 SQL analysis.

│── 🗂️ Dataset Files (Excel, JSON, CSV)  # Source data for analysis.

```

---

## 🛠 **Tools & Technologies Used**

🔹 **SQL** (PostgreSQL, MySQL, SQL Server)  

🔹 **Python** (Pandas, NumPy, Matplotlib, Seaborn)  

🔹 **Data Visualization** (Tableau, Power BI, Excel)  

🔹 **Data Cleaning & Processing**  

🔹 **Business Intelligence & Decision-Making**  

---

## 📊 **Tableau Public Dashboards**

Explore interactive visualizations on my [Tableau Public Profile](https://public.tableau.com/app/profile/bohdan.khomenko/vizzes)!

---

## 🤝 **Let's Connect!**

If you're passionate about **data analytics, business intelligence, or data-driven decision-making**, let's collaborate! Feel free to explore, fork, or contribute to this repository. 🚀

📧 **Email:** tmhomenko@gmail.com  

🌐 **LinkedIn:** [Connect with me](https://www.linkedin.com/in/bkhomenko/)  

🇺🇦 **Glory to Ukraine! Слава Україні!** 🇺🇦