| EHR | Description of the EHR dataset | 
| fast_clara_jaccard | Fast CLARA-like clustering using Jaccard dissimilarity | 
| fast_jaccard_dist | Compute upper triangle Jaccard distance | 
| get_cluster_sequences | Extract sequences of length k within clusters | 
| make_state_matrices | Construct state matrices from longitudinal EHR Data | 
| sequence_stats | Compute sequence statistics |