1. INTRODUCTION  
2. DATA  
2.1. SDSS-RM Survey  
2.2. Spectroscopy  
2.3. Photometry  
2.4. Light Curve Merging  
3. CONTINUUM RM ANALYSIS  
3.1. ICCF  
3.2. JAVELIN  
3.3. Lag Identification Method  
3.4. Criteria  
4. LAG RELIABILITY  
5. DISCUSSION  
5.1. Disk Normalization  
5.2. Color Profile  
5.3. Connection to $M_{\mathrm{BH}}$ and λLλ 3000  
6. SUMMARY