Airbnb New Uesr Booking

• competition-link
• jupyter notebook
  
• Slide
  Solution: Hierarchical XGBoosting model
  To avoid imbalanced data we followed the SVM one-against-all method provide to using binary-classification to predict the answer in hierachial way, and in the third model using the five-class XGBoost to predict the answer
• Best score of our model!
• The private score only 0.3 percentage points from the first place！