Hi, I'm Naoki Chihara. I'm a second-year PhD student at The University of Osaka.
- 🧳 I'm currently working as - Project researcher at SANKEN, The University of Osaka.
- 🌱 Current research interest - Time series analysis, Data streams, Causal discovery, others.
- 👥 I'm currently a member of - Humanware Innovation Program, GDSC Osaka.
- 📫 How to reach me - personal website.
- 📐 LaTeXの小ワザ集 [Zenn] [Qiita]
- 🤖 Zenn vs Qiitaを終わらせに来た [Zenn] [Qiita]
- 😊 画像結合のためのアルゴリズムを考えてみた [Zenn] [Qiita]
- 🙆 PLaMo-100Bのβ版トライアルAPIを用いてデモ用アプリを作ってみた [Zenn] [Qiita]
- 🌝 参考になった記事 覚書 [Zenn] [Qiita]
I refer you to check here for more blogs.
Detailed Activity on GitHub
Development Metrics
🐱 My GitHub Data
📦 1.1 MB Used in GitHub's Storage
🏆 1,508 Contributions in the Year 2026
🚫 Not Opted to Hire
📜 31 Public Repositories
🔑 38 Private Repositories
I'm an Early 🐤
🌞 Morning 4067 commits ███████████████░░░░░░░░░░ 58.90 %
🌆 Daytime 1239 commits ████░░░░░░░░░░░░░░░░░░░░░ 17.94 %
🌃 Evening 1009 commits ████░░░░░░░░░░░░░░░░░░░░░ 14.61 %
🌙 Night 590 commits ██░░░░░░░░░░░░░░░░░░░░░░░ 08.54 %
📅 I'm Most Productive on Tuesday
Monday 855 commits ███░░░░░░░░░░░░░░░░░░░░░░ 12.38 %
Tuesday 1097 commits ████░░░░░░░░░░░░░░░░░░░░░ 15.89 %
Wednesday 977 commits ████░░░░░░░░░░░░░░░░░░░░░ 14.15 %
Thursday 989 commits ████░░░░░░░░░░░░░░░░░░░░░ 14.32 %
Friday 1046 commits ████░░░░░░░░░░░░░░░░░░░░░ 15.15 %
Saturday 963 commits ███░░░░░░░░░░░░░░░░░░░░░░ 13.95 %
Sunday 978 commits ████░░░░░░░░░░░░░░░░░░░░░ 14.16 %
📊 This Week I Spent My Time On
🕑︎ Time Zone: Asia/Tokyo
💬 Programming Languages:
Python 19 hrs 5 mins ███████████░░░░░░░░░░░░░░ 43.30 %
Markdown 16 hrs 31 mins █████████░░░░░░░░░░░░░░░░ 37.46 %
TeX 2 hrs 15 mins █░░░░░░░░░░░░░░░░░░░░░░░░ 05.13 %
Bash 2 hrs 8 mins █░░░░░░░░░░░░░░░░░░░░░░░░ 04.87 %
Other 1 hr 25 mins █░░░░░░░░░░░░░░░░░░░░░░░░ 03.22 %
🔥 Editors:
VS Code 40 hrs 51 mins ███████████████████████░░ 92.63 %
Codex Vscode 3 hrs 15 mins ██░░░░░░░░░░░░░░░░░░░░░░░ 07.37 %
💻 Operating System:
Mac 44 hrs 6 mins █████████████████████████ 100.00 %
🤖 AI Coding This Week
⏱ AI Coding Time: 42 hrs 5 mins (95.46%)
✍️ 54,329 lines written by AI, 912 lines written by hand (98.35% AI-written)
🔤 1,387,060,621 Input Tokens, 31,772,999 Output Tokens
💵 $8825.01 Estimated AI Cost This Week
🧠 264 AI Sessions, 518 AI Prompts
GPT 59,900 lines █████████████████████████ 99.67 %
Codex-Vscode 196 lines ░░░░░░░░░░░░░░░░░░░░░░░░░ 00.33 %
🔎 AI Coding Insights:
🤖 AI-Driven — 98.35% of written lines came from AI
📚 Verbose Prompter — average 8,295 characters per prompt
🔁 Iterative Prompter — average 2 prompts per session
🚀 High AI Trust — 2.68% of changed lines were hand-edited
I Mostly Code in Python
Python 28 repos ███████████░░░░░░░░░░░░░░ 43.08 %
Jupyter Notebook 21 repos ████████░░░░░░░░░░░░░░░░░ 32.31 %
TeX 4 repos ██░░░░░░░░░░░░░░░░░░░░░░░ 06.15 %
TypeScript 4 repos ██░░░░░░░░░░░░░░░░░░░░░░░ 06.15 %
Makefile 2 repos █░░░░░░░░░░░░░░░░░░░░░░░░ 03.08 %
Timeline
Last Updated on 13/08/2026 19:36:41 UTC