Welcome

This compact library collects external materials that are useful for focused data-science study and interview preparation. It favors authoritative sources, clear learning value, and direct links over long unreviewed lists.

How to use this library

Choose one resource that matches your current study goal.
Record what you learned in the appropriate subject book in this workspace.
Revisit links periodically because external courses and pages can change.
Treat inclusion as a learning recommendation, not an endorsement of every claim or commercial offering on the linked site.

All linked material belongs to its respective publisher or author.