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从 Pandas 转向 Polars:新手常见的10 个问题与优化建议
Polars 速度快、语法现代、表达力强,但很多人刚上手就把它当 Pandas 用,结果性能优势全都浪费了。下面是新手最容易犯的 10 个错误,以及对应的解决思路。1、直接 read_csv而不用 scan_*新手拿到一个大 CSV,上来就这么写: ...
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