# Dragon Notes

UNDER CONSTRUCTION
Latest content:
 Apr 05 Deep Learning Mar 19 Anomaly Detection - ML Mar 13 +Data Tables Mar 08 Clustering - Machine Learning Feb 28 Support Vector Machines - ML Feb 20 Regression - Data Science

# Machine Learning:Method Comparison

 Gradient Descent Normal Equation – Need to choose $$\alpha$$+ – Needs many iterations+ + Computing steps required $$\prop O(n^2)$$ + Works well when $$n$$ is large + Wide real-world problem applicability + No need to choose $$\alpha$$ + No iterations involved – Computing steps required $$\prop O(n^3)$$+ – Slow if $$n$$ is large+ – Limited real-world applicability+