| nroAggregate | Regional averages on a self-organizing map | 
| nroColorize | Assign colors based on value | 
| nroDestratify | Mitigate data stratification | 
| nroKmeans | K-means clustering | 
| nroKohonen | Self-organizing map | 
| nroLabel | Label pruning | 
| nroMatch | Best-matching districts | 
| nroPermute | Permutation analysis of map layout | 
| nroPlot | Plot a self-organizing map | 
| nroPlot.save | Plot a self-organizing map | 
| nroPostprocess | Standardization using existing parameters | 
| nroPreprocess | Data cleaning and standardization | 
| nroSummary | Estimate subgroup statistics | 
| nroTrain | Train self-organizing map | 
| numero.clean | Clean datasets | 
| numero.create | Create a self-organizing map | 
| numero.evaluate | Self-organizing map statistics | 
| numero.plot | Plot results from SOM analysis | 
| numero.prepare | Prepare datasets for analysis | 
| numero.quality | Self-organizing map statistics | 
| numero.subgroup | Interactive subgroup assignment | 
| numero.summary | Summarize subgroup statistics |