From: Expenditure variations analysis using residuals for identifying high health care utilizers in a state Medicaid program
R-squared
Linear Regression
Gradient Boosting Machine (GBM)
Training
Testing
Overall
2011
0.559
0.642
0.628
0.636
2012
0.576
0.657
0.646
0.652
2013
0.574
0.645
2014
0.569
0.650
0.641