来自MSN

How to Use pandas DataFrames in Python to Analyze and Manipulate Data

If you want to analyze data in Python, you'll want to become familiar with pandas, as it makes data analysis so much easier. The DataFrame is the primary data format you'll interact with. Here's how ...
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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： ...