1. Deliver Time Model
Deliver time components
- Preparation time: use the historical data
- Pick-up wait time: use the historical data
- Travel time: integration with map services
- Drop-off time: time to park, find location, use the historical data
Machine learning:
- Use historical data to train a model
- Regression model (linear, decision tree etc)
2. Grape Color
Due to the presence or absence of certain natural pigments
- Anthocyanin(花青素), responsible for the red, purple color
- Phenolic compounds(酚类化合物), red grape has higher, contributing to the stronger and more robust flavor
- Evolutionary reason: attract different types of pollinator(授粉者)