| pln-package | Polytomous Logit-Normit (Graded Logistic) Model Estimation | 
| item5fr | 5-item Test Data Set | 
| item9cat5 | 9 Item Test Data Set | 
| nrbcpln | Full information maximum likelihood and bivariate composite likelihood estimation for polytomous logit-normit (graded logistic) model | 
| nrmlepln | Full information maximum likelihood and bivariate composite likelihood estimation for polytomous logit-normit (graded logistic) model | 
| nrmlerasch | Full information maximum likelihood and bivariate composite likelihood estimation for polytomous logit-normit (graded logistic) model | 
| pln | Polytomous Logit-Normit (Graded Logistic) Model Estimation | 
| simulpln | Simulate data from polytomous logit-normit (graded logistic) model | 
| startalphas | Starting values for polytomous logit-normit model | 
| startbetas | Starting values for polytomous logit-normit model |