| NPS-package | Convenience Functions and Tests for Working With the Net Promoter Score (NPS) |
| npc | Create Net Promoter Categories from Likelihood to Recommend Scores |
| NPS | Convenience Functions and Tests for Working With the Net Promoter Score (NPS) |
| nps | Calculate a Net Promoter Score |
| nps.se | Calculate the standard error of a Net Promoter Score |
| nps.test | Significance tests and confidence intervals for Net Promoter Scores |
| nps.var | Calculate the variance of a Net Promoter Score |
| npvar | Calculate the variance of a Net Promoter Score |
| print.nps.test | Significance tests and confidence intervals for Net Promoter Scores |
| scalestrip | Strips Likert scale point labels, returns numeric or ordinal data |
| testdata | This is data to be included in my package |