Recent questions without a selected answer

Could you please mention some webpages that I can find datasets for data science projects?

I know Python and I am looking for the fastest way or a quick tutorial to learn how start using scikit-learn library.

I am looking for a roadmap for choosing the right estimator in scikit-learn

I have these series of numbers and I am wondering each one is how much percentile and also how to calculate a custom percentile such as 60th percentile? [1, 3, 5, 7, 9, 9...