Websites to Learn Data Science logopeterindia.net
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Websites to Learn Data Science

A directory of websites for learning data science — courses and books, SQL, Python and statistics tutorials, tool documentation and open data to practise on.

20 topics•4 categories•Updated October 2026

Courses & Books

6 entries

Structured ways to learn.

01Kaggle LearnShort free courses on Python, pandas, machine learning and SQL. 02fast.aiFree practical deep learning courses. 03MIT 6.0002: Computational Thinking and Data ScienceFree MIT OpenCourseWare course. 04R for Data ScienceFree book on data science with R and the tidyverse. 05Python Data Science HandbookFree online book on NumPy, pandas, Matplotlib and scikit-learn. 06An Introduction to Statistical LearningFree textbook on statistical learning with R and Python versions.

Tutorials, Docs & Cheat Sheets

6 entries

Quick references for core skills.

07SQL TutorialsLearn SQL step by step with interactive tutorials, reference guides, and graded assessments. 08Python TutorialWell organized and easy to understand tutorials covering Python from the basics through data science libraries. 09Statistics TutorialAn introductory course in statistics that serves as an excellent primer to data analytics. 10Data Science Cheat SheetsQuick points of reference covering Python, SQL, R, AI agents, Power BI, Excel, and more. 11Power BI DocumentationPower BI amplifies your insights and the value of your data — find expert guidance no matter how you use it. 12Excel Help & LearningOfficial Microsoft guidance on formulas, PivotTables, Copilot in Excel, and data analysis.

Open Data to Practise On

2 entries

Datasets for projects.

13Kaggle DatasetsBrowse and download hundreds of thousands of open datasets for AI research, model training, and analysis. 14Our World in DataResearch and data to make progress against the world's largest problems — thousands of open, interactive charts.

Related Pages

6 entries

Related directories on this site.

15Data ScienceData science hub. 16Data Science PlatformsEnd-to-end data science platforms. 17Data Science IDEsNotebook and IDE tools. 18Data Wrangling ToolsData preparation tools. 19Data Sets for ML/DLDatasets for training and benchmarking. 20Machine LearningMachine learning hub.

Frequently Asked Questions

How do I start learning data science?

Learn Python or R, SQL and basic statistics, then practise on real datasets with free courses such as Kaggle Learn and fast.ai.

Which free books are best?

R for Data Science, the Python Data Science Handbook and An Introduction to Statistical Learning are free and widely recommended.

Where can I get practice data?

Kaggle Datasets and Our World in Data offer data for projects; see the Data Sets page for more.

Do I need maths?

Statistics, linear algebra and basic calculus help, and many courses teach them alongside the code.

Where do cheat sheets help?

They give quick syntax references for Python, SQL and R while you work.