🔥 A-Z Data Science Road Map

1. 📊 Math and Statistics
- Descriptive statistics
- Probability
- Distributions
- Hypothesis testing
- Correlation
- Regression basics

2. 🐍 Python Basics
- Variables
- Data types
- Loops
- Conditionals
- Functions
- Modules

3. 🐼 Core Python for Data Science
- NumPy
- Pandas
- DataFrames
- Missing values
- Merging
- GroupBy
- Visualization

4. 📈 Data Visualization
- Matplotlib
- Seaborn
- Plotly
- Histograms, boxplots, heatmaps
- Dashboards

5. 🧹 Data Wrangling
- Cleaning
- Outlier detection
- Feature engineering
- Encoding
- Scaling

6. 🔍 Exploratory Data Analysis (EDA)
- Univariate analysis
- Bivariate analysis
- Stats summary
- Correlation analysis

7. 💾 SQL for Data Science
- SELECT
- WHERE
- GROUP BY
- JOINS
- CTEs
- Window functions

8. 🤖 Machine Learning Basics
- Supervised vs unsupervised
- Train test split
- Cross validation
- Metrics

9. 🎯 Supervised Learning
- Linear regression
- Logistic regression
- Decision trees
- Random forest
- Gradient boosting
- SVM
- KNN

10. 💡 Unsupervised Learning
- K-Means
- Hierarchical clustering
- PCA
- Dimensionality reduction

11. ⭐ Model Evaluation
- Accuracy
- Precision
- Recall
- F1
- ROC AUC
- MSE, RMSE, MAE

12. 🛠️ Feature Engineering
- One hot encoding
- Binning
- Scaling
- Interaction terms

13. ⏳ Time Series
- Trends
- Seasonality
- ARIMA
- Prophet
- Forecasting steps

14. 🧠 Deep Learning Basics
- Neural networks
- Activation functions
- Loss functions
- Backprop basics

15. 🚀 Deep Learning Libraries
- TensorFlow
- Keras
- PyTorch

16. 💬 NLP
- Tokenization
- Stemming
- Lemmatization
- TF-IDF
- Word embeddings

17. 🌐 Big Data Tools
- Hadoop
- Spark
- PySpark

18. ⚙️ Data Engineering Basics
- ETL
- Pipelines
- Scheduling
- Cloud concepts

19. ☁️ Cloud Platforms
- AWS (S3, Lambda, SageMaker)
- GCP (BigQuery)
- Azure ML

20. 📦 MLOps
- Model deployment
- CI/CD
- Monitoring
- Docker
- APIs (FastAPI, Flask)

21. 📊 Dashboards
- Power BI
- Tableau
- Streamlit

22. 🏗️ Real-World Projects
- Classification
- Regression
- Time series
- NLP
- Recommendation systems

23. 🧑‍💻 Version Control
- Git
- GitHub
- Branching
- Pull requests

24. 🗣️ Soft Skills
- Problem framing
- Business communication
- Storytelling

25. 📝 Interview Prep
- SQL practice
- Python challenges
- ML theory
- Case studies

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✅ Good Resources To Learn Data Science

1. 📚 Documentation
- Pandas docs: pandas.pydata.org
- NumPy docs: numpy.org
- Scikit-learn docs: scikit-learn.org
- PyTorch: pytorch.org

2. 📺 Free Learning Channels
- FreeCodeCamp: youtube.com/c/FreeCodeCamp
- Data School: youtube.com/dataschool
- Krish Naik: YouTube
- WhatsApp channel
- StatQuest: YouTube

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