Add without resampling for bagging (#884)
Add without resampling for bagging (#884)


Allardvm/LightGBM,wxchan/LightGBM,Allardvm/LightGBM,Allardvm/LightGBM,henry0312/LightGBM,Laurae2/LightGBM,microsoft/LightGBM,olofer/LightGBM,Laurae2/LightGBM,Allardvm/LightGBM,olofer/LightGBM,microsoft/LightGBM,wxchan/LightGBM,olofer/LightGBM,microsoft/LightGBM,Laurae2/LightGBM,henry0312/LightGBM,microsoft/LightGBM,Laurae2/LightGBM,wxchan/LightGBM,henry0312/LightGBM,henry0312/LightGBM,olofer/LightGBM,henry0312/LightGBM,wxchan/LightGBM,Allardvm/LightGBM,wxchan/LightGBM,microsoft/LightGBM,olofer/LightGBM,Laurae2/LightGBM