引用#

[1] 李航.统计学习方法［M］.2版.北京： 清华大学出版社,2019.

[2] PEDREGOSA.scikitlearn: Machine Learning in Python［J］.JMLR 12,2011: 28252830.

[3] https://en.wikipedia.org/wiki/Kd_tree

[4] http://web.stanford.edu/class/cs106l/