| ScreenClean-package | Screen and clean variable selection procedures, including UPS and GS. | 
| CleaningStep | GC-step of the graphlet screening | 
| FindAllCG | Find all the connected subgraphs whose size <= lc | 
| FindCG | Find the connected subgraphs with a certain number of nodes | 
| IterGS | Iterative graphlet screening procedure | 
| PMLE | Penalized MLE procedure used in the cleaning step | 
| ScreenClean | Screen and clean variable selection procedures, including UPS and GS. | 
| ScreeningStep | GS-step of the graphlet screening | 
| ThresholdGram | Thresholds the gram matrix | 
| VectorizeBase | expresses the number i on the base as a vector |