Kalvar /
python-GreyTheory
A lightweight, high-performance Python library for Grey System Theory, integrating grey models, advPCA, feature selection, forecasting, and
A new way for AI to search for data
36GitHub stars
What XERJ indexed
Selected work
“add advPCA and quality-aware feature selection”. 57 files, 6,324 lines in greytheory, tests, benchmarks.
Licence
The repository
MIT
Checked by a person at the pinned commit.
The XERJ corpus
MIT, with credit
The author agreed by email on 2026-10-20. Same terms as the repository. Answers name the repo, the commit and the file:line.
in licence reviewnot in the hub yetsuggested use: adapt with attribution
Example questions
- Where does python-GreyTheory handle “add advPCA and quality-aware feature selection”?
- What does greytheory do in python-GreyTheory?
The prompt
Paste it into your AI agent. It clones Kalvar/python-GreyTheory at the pinned commit and indexes it on your machine.
Search the GitHub repository Kalvar/python-GreyTheory with XERJ (https://hub.xerj.org/corpus/kalvar--python-greytheory). Run these in a shell, in order, and check each result before the next: 1. xerj --help (success: it prints usage). If xerj is missing: curl -fsSL https://xerj.org/get | sh 2. git clone https://github.com/Kalvar/python-GreyTheory python-GreyTheory && git -C python-GreyTheory checkout b72eac6c4d9d7ae678d3b729d9bb16225c24099b 3. Start a local node and leave it running: xerj --insecure --data-dir ./xerj-data 4. xerj autoindex ./python-GreyTheory --url http://127.0.0.1:9200 --prefix python-greytheory --progress plain 5. xerj autoindex map --url http://127.0.0.1:9200 Then answer my question from the indexed files and cite the ax_path of every hit. Query syntax: https://xerj.org/llms.txt Licence: MIT. Keep the copyright notice and credit the authors.
Related
Kuo-Ming Lin (Kalvar)AI, prompts and agents corpora
Selected work and consent: the XERJ registry.