- anaconda
 - pip install selenium
 
at this directory> cmd> gogo
seoulBicycleRentCount_predict.pptx
best model: Random Forest, Gradient Boosting
- RF> ntree= 5000
 - GB> distribution= gaussian, n.trees= 150, interaction.depth= 3, shrinkage= 0.1, n.minobsinode= 10
 
weather missing value> knn imputation
y~X > non-linear