| create_profiles_cluster | Create profiles of observed variables using two-step cluster analysis |
| detect_outliers | Identifies potential outliers |
| estimate_r_squared | Estimates R^2 (r-squared) values for a range of number of profiles |
| pisaUSA15 | student questionnaire data with four variables from the 2015 PISA for students in the United States |
| plot_profiles | Return plot of profile centroids |
| print.prcr | Prints details of prcr cluster solution |
| summary.prcr | Concise summary of prcr cluster solution |