I need more intrduction videos
I would need the theory knowledge for I am first timer to use this
Good to hear from you. Which theory do you refer to, please? We have courses on Statistics, Probability, Linear Algebra. Also, please feel free to start with our Intro to Data Science course to get a big picture overview. For a structured learning experience I always recommend our career tracks.
Here's a link to the course:
Hope you will like it!