| contains | Check if list contains a name | 
| gen_inv | Generalized matrix inverse | 
| kim_filter | Kim Filter | 
| kim_filter_cpp | Kim Filter | 
| Rginv | R's implementation of the Moore-Penrose pseudo matrix inverse | 
| self_rbind | Matrix self rowbind | 
| ss_prob | Steady State Probabilities | 
| sw_dcf | Stock and Watson Markov Switching Dynamic Common Factor Data Set |