License
1. Code and model
All model and analysis code is licensed under the MIT license.
2. Written materials
All written content in this book is shared under CC-BY 4.0.
You are free to:
Share - copy and redistribute the material in any medium or format
Adapt - remix, transform, and build upon the material for any purpose, even commercially.
You must give appropriate credit, provide a link to the license, and indicate if changes were made. You may do so in any reasonable manner, but not in any way that suggests the licensor endorses you or your use.