Public dataset
http://data.okfn.org/ Free data set warehouse with various data sets
http://www.dolphin-labs.com/data.htm l Dolphin Lab
http://yann.lecun.com/exdb / minist / Recognition digital training set
https://www.kaggle.com/ kaggle competition
https://www.dataquest.io/dataquest interactive tutorial
Machine LearningRepository Irvine UC (http://archive.ics.uci.edu/ml/)
· Kaggle Datasets (https://www.kaggle.com/datasets)
· Amazon's AWS Datasets (http://aws.amazon.com / fr / datasets /)
· Meta portal site (listing open data repositories):
· http://dataportals.org/
· http://opendatamonitor.eu/
· http://quandl.com/
· Others List pages of many popular open data repositories:
·Wikipedia’s list of Machine Learningdatasets（https://goo.gl/SJHN2k）
·Quora.com question（http://goo.gl/zDR78y）
·Datasets subreddit（https://www.reddit.com/r/datasets）
Practical quick reference tool
https://www.pypandas.cn/ Pandas Chinese Manual
