This video shares a valuable resource for data science aspirants that contains links free resources of all the concepts in machine learning and data science. All links are at one pdf document. Checkout the video about the document content and download it.
Video Link: https://youtu.be/Q9sLUJZsfSs

Discussion (2)
Thanks for sharing
I think a great place to start is also with data science blogs, explorium.ai/blog/, they often have some great resources for beginners and those working in the field about machine learning, the technical aspects and its applications too.