科研数据集下载站（建议收藏）

https://academictorrents.com/browse.php
http://archive.ics.uci.edu/ml/datasets.php
http://clopinet.com/isabelle/Projects/NIPS2003/#challenge
https://jundongl.github.io/scikit-feature/datasets.html
https://www.csie.ntu.edu.tw/~cjlin/libsvmtools/datasets/
http://www.uco.es/kdis/mllresources/#BookmarksDesc
https://sci2s.ugr.es/keel/imbalanced.php