If you are a beginner, you can follow these steps to learn Data Science step by step:
- Get familiar with Learn the mathematical concepts of Linear Algebra, Probability, Statistics (Descriptive and Inferential statistics).
- After that, learn SQL and Excel
- Learn either Python or R programming languages
- Understand in-depth about Machine learning algorithms like Linear regression, Decision trees, Logistic regression, Random Forest, etc.
- Also, understand Deep learning techniques such as Convolutional neural networks, recurrent neural networks, etc.
- Learn Data Visualization tools either Tableau or QlikView.
If you wish to learn Data Science, I would recommend these Data Scientist to go from beginner to pro in Data science.