| nroAggregate | Regional averages on a self-organizing map |
| nroColorize | Assign colors based on value |
| nroKmeans | K-means clustering |
| nroKohonen | Self-organizing map |
| nroLabel | Label pruning |
| nroMatch | Best-matching districts |
| nroPermute | Permutation analysis |
| nroPlot | Plot a self-organizing map |
| nroPreprocess | Data cleaning and standardization |
| nroSummary | Estimate subgroup statistics |
| nroTrain | Train Self-Organizing Map |