code/cs229_random_gems.md

# Random Gems they point out 

### lecture 10 

* Boosting is an ensembling method to decrease **bias** in trees

decision tree has low bias and high variance 

ensembling a decision tree reduces the variance? 

https://towardsdatascience.com/decision-tree-ensembles-bagging-and-boosting-266a8ba60fd9