machine learning repositories

 When you are learning about Machine Learning it is best to actually experiment with real-world data, not just artificial datasets. Fortunately, there are thousands of open datasets to choose from, ranging across all sorts of domains. Here are a few places you can look to get data: 

• Popular open data repositories:

 — UC Irvine Machine Learning Repository

 — Kaggle datasets *****

 — Amazon’s AWS datasets

• Health care

https://physionet.org/

computer vision

Natural language processing:

Reinforcement learning

 • Meta portals (they list open data repositories): 

— http://dataportals.org/

 — http://opendatamonitor.eu/

 — http://quandl.com/  *****

• Other pages listing many popular open data repositories:

 — Wikipedia’s list of Machine Learning datasets

 — Quora.com question

 — Datasets subreddit