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原创 ValueError: Input contains NaN, infinity or a value too large for dtype(‘float64‘).
看一下数据集,是不是有NaN没有删除干净,不要想当然。
2020-08-06 08:14:19 858
原创 密集数组和稀疏数组的区别(dense arrary and sparse array)
Definition - What does Sparse Array mean?A sparse array is an array of data in which many elements have a value of zero. This is in contrast to a dense array, where most of the elements have non-zero values or are “full” of numbers. A sparse array may be.
2020-08-05 22:26:08 450
原创 阿里云服务器安装jupyter notebook
参考两篇文章:https://mp.weixin.qq.com/s?src=11×tamp=1589531983&ver=2339&signature=QDQGPAwJhKXKFGZI6vUMHyb9DlkaF8Ln6MuSRlk5rzNVc0t2r627i7LcRJ7m9eJJ8RUVxoh0cUCCw2FDgeNGHqPbl8qZDMDwa5ifgEt0FZzq7nl*uyavvhioWIo86-&new=12.微信搜索:阿里云服务器安装jupyter n
2020-05-15 21:56:27 340
原创 Mac上Juypter notebook import pandas 出现问题cannot import name compat 解决办法
建议先尝试 pip install pandas然后在 import pandas
2020-05-10 15:11:35 399
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