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python-excel
读取Excel指定列的非空字符串数据，统计各元素数量，绘制饼状图，并在图中显示数量及括号内的占比，代码中不包含中文字符。
pythonc-quaternionangleaxis-numpyquaternion
在Python中复现C#的Quaternion.AngleAxis方法，根据角度和旋转轴计算四元数，且不使用numpy.quaternion库。
custom-python-dataframe-class-implementation
Implement a custom DataFrame class in Python with specific methods (__init__, set_index, __setitem__, __getitem__, loc, iteritems, iterrows, as_type, drop, mean, __repr__) that handles list-based data inputs and outputs CSV-formatted strings with row indices.
spotify-artist-stats-formatter
Generate a Python script using Spotipy to fetch an artist's followers and monthly listeners, formatting the output to millions (e.g., 1.4M).
insert-s3-images-into-excel-from-dataframe
Generate Python code to iterate through S3 keys stored in a pandas DataFrame, fetch the images using boto3, and embed them as actual images into an Excel file.
python-chart-data-structure-generator
Generates Python code to create various types of charts (Line, Scatter, Bar, Heatmap, etc.) using explicit data structures like dictionaries or lists.
s3-to-excel-image-embedder-via-dataframe
Generates Python code to fetch images from AWS S3 using keys from a pandas DataFrame column and embeds them as visual images into an Excel file.
python-trading-signal-generator-no-ta-lib
Generates a Python function `signal_generator` that uses pandas for EMA/SMA and candlestick analysis to produce Buy/Sell signals, excluding TA-Lib and trend calculation.
eda-iterative-place-and-route-flow
Generates Python code for an EDA workflow that iteratively places and routes a netlist, checking design rules and stopping when quality targets are met.
kohlcpcapca
针对金融K线OHLC数据进行降维分析，包括数据预处理（变化率计算、标准化）、标准PCA降维以及基于随机化SVD的伪PCA降维的Python实现步骤。
python-pandas
根据指定的行切片规则和列映射，将源DataFrame（df_sub）的列数据转换为长格式DataFrame，包含sub_id、trial、start_time、end_time等字段。
item-based-collaborative-filtering-movie-recommender
Build a Python model to recommend the top 10 similar movies using item-based collaborative filtering for a dataset with a specific 3-column schema (movie_id, title with year, pipe-separated genres).
generate-large-csv-on-ec2-and-upload-to-s3
Provides a workflow and Python scripts to generate massive CSV files (e.g., billions of rows) on an AWS EC2 instance and upload them to an S3 bucket.