1 INTRODUCTION

2 QUASAR TARGETS IN LEGACY IMAGING SURVEYS  
2.1 Data Release 9 of Legacy Imaging Surveys  
2.2 QSO Target Selection  
2.3 Over Density and Contamination  

3 METHODOLOGY  
3.1 Features  
3.2 Systematic Model  
3.3 Regression Methods  

4 SYSTEMATICS MITIGATION  
4.1 Systematic Plots  
4.2 Importance Features  
4.3 Quasar Target Selection After Correction  

5 ANGULAR CORRELATION AND CLUSTERING  
5.1 2-Point Correlation Function  
5.2 Angular Correlation of the DR9 Quasar Target Selection  
5.3 Limber Parameters  

6 CONCLUSION