Week 6 progress track

[JasonSqz]

• [x] Separate feature engineering and modeling into to two Colab notebook (Senqi)
• [x] Change labels to growth/maturity and retrain a random forest model (Senqi)
• [x] Balance training/validation set to match the potential distribution of test set (Zehui)
• [x] Data Split: Design new function to split data based on clusters (Zehui)
• [x] Data Augmentation: Add randomly generated "mature" label data to solve imbalance
• [x] Sanity check DNN model performance (Senqi)
• [x] Evaluation: design a new function to compare performances of models(Shuyue)

[JasonSqz]

@hangxu0324 @zehuiwu @shuyuexu @JasonSqz @yajiez11