note

How to Build an Excel Business App with Streamlit: From Loading, Searching, and Aggregating to Editing and Saving [With Practical Python Code]

Load an Excel file and display the table. Once you can do this, you will start wanting to do more, such as "filter by department," "correct the amount," or "save the modified results back to Excel." ...
GitHub

03-17--pandas--looping-over-column.py

Machine learning recipes in Python with scikit-learn, OpenCV, PyTorch, and other libraries, including classical machine learning and neural networks, based on the book "Machine Learning with Python ...
huggingface

ev-battery-health-telemetry

We’re on a journey to advance and democratize artificial intelligence through open source and open science.
blog.csdn

Pandas自定义排序实战：映射法、Categorical与key参数详解

这篇内容就是围绕"如何对 Pandas DataFrame 进行自定义排序"展开的。我会把几种主流做法从原理到代码全部拆开讲清楚，包括映射法、Categorical 法、key 参数法、多列混合排序，以及大数据量下的性能取舍。适合已经会用 Pandas 做基础操作、但遇到复杂排序需求时不知道从哪下手的人。看完之后，你手里 ...

일본 주식 데이터 준비: J-Quants API V2와 EDINET

일본 주식 데이터 분석을 시작하기에 앞서, 제0회로 데이터 준비 과정을 정리한다. 사용하는 것은 JPX 총연이 제공하는 J-Quants API와 금융청의 EDINET API이다.J-Quants API는 2025년 12월에 ...