Welcome to the Data Analytics Learning Notes 2025 repository! This repository is a comprehensive collection of essential concepts, tools, and techniques required to excel in data analytics. Whether you are a beginner or looking to refine your skills, this repository serves as a reliable resource.
📁 Data-Analytics-Learning-Notes-2025
├── 📂 01_Introduction
│ ├── README.md # Overview of Data Analytics
│ ├── data_analytics_basics.md
│ ├── career_paths.md
├── 📂 02_Tools
│ ├── 📂 Excel
│ │ ├── formulas_and_functions.md
│ │ ├── pivot_tables.md
│ │ ├── data_visualization_excel.md
│ ├── 📂 Power_BI
│ │ ├── dashboard_basics.md
│ │ ├── data_modeling.md
│ │ ├── dax_basics.md
│ ├── 📂 SQL
│ │ ├── basic_queries.md
│ │ ├── joins_and_aggregations.md
│ │ ├── advanced_sql.md
├── 📂 03_Data_Cleaning
│ ├── pandas_basics.md
│ ├── handling_missing_data.md
│ ├── data_transformation.md
├── 📂 04_Visualization
│ ├── matplotlib_basics.md
│ ├── seaborn_basics.md
│ ├── storytelling_with_data.md
├── 📂 05_Advanced_Analytics
│ ├── predictive_modeling.md
│ ├── machine_learning_overview.md
│ ├── time_series_analysis.md
├── LICENSE
└── README.md # Main repository overview
- Overview of Data Analytics: Learn what data analytics is and why it is essential in 2025.
- Career Paths: Explore roles like Data Analyst, Data Scientist, and Business Intelligence Specialist.
- Excel: Formulas, pivot tables, and charts to analyze and visualize data.
- Power BI: Create interactive dashboards, use DAX, and design data models.
- SQL: Perform queries, joins, and advanced database operations.
- Learn how to preprocess and clean raw data using Python libraries like
pandas. - Handle missing values, outliers, and inconsistencies effectively.
- Matplotlib and Seaborn: Create visually appealing and informative charts.
- Storytelling with Data: Turn insights into impactful narratives.
- Build foundational knowledge of predictive modeling and machine learning.
- Explore time-series analysis techniques for trend forecasting.
We welcome contributions! If you have suggestions or additional notes to share, feel free to:
- Fork this repository.
- Make changes or add new content.
- Submit a pull request.
This project is licensed under the MIT License - see the LICENSE file for details.
For queries, feedback, or collaboration opportunities, reach out to me on LinkedIn.
Happy Learning! 🎉