| calculate_distance | Calculate distance between sample data before and after registration | 
| get_approximate_stretch | Get approximate stretch factor | 
| plot | Visualise registration results | 
| plot.dist_greatR | Visualise registration results | 
| plot.res_greatR | Visualise registration results | 
| plot.summary.res_greatR | Visualise registration results | 
| register | Register or synchronize different expression profiles | 
| summary | Summarise registration results | 
| summary.res_greatR | Summarise registration results |