| difNLR-package | DIF and DDF Detection by Non-Linear Regression Models. |
| AIC.ddfMLR | Performs DDF detection using Multinomial Log-linear Regression model. |
| AIC.difNLR | Performs DIF detection using Non-Linear Regression method. |
| BIC.ddfMLR | Performs DDF detection using Multinomial Log-linear Regression model. |
| BIC.difNLR | Performs DIF detection using Non-Linear Regression method. |
| checkInterval | Checks interval bounds. |
| coef.ddfMLR | Performs DDF detection using Multinomial Log-linear Regression model. |
| coef.difNLR | Performs DIF detection using Non-Linear Regression method. |
| ddfMLR | Performs DDF detection using Multinomial Log-linear Regression model. |
| difNLR | Performs DIF detection using Non-Linear Regression method. |
| estimNLR | Non-Linear Regression DIF models estimation. |
| fitted.difNLR | Performs DIF detection using Non-Linear Regression method. |
| formulaNLR | Formula for Non-Linear Regression DIF model. |
| genNLR | Generates data set based on Non-Linear Regression DIF a DDF models. |
| GMAT | Dichotomous Data Set Based on Graduate Management Admission Test with the Same Total Score Distribution for Groups |
| GMAT2 | Dichotomous Data Set Based on Graduate Management Admission Test |
| GMAT2key | Key of Correct Answers for 'GMAT2test' Data Set |
| GMAT2test | Data Set Based on Graduate Management Admission Test |
| GMATkey | Key of Correct Answers for 'GMATtest' Data Set |
| GMATtest | Data Set Based on Graduate Management Admission Test with the Same Total Score Distribution for Groups |
| logLik.ddfMLR | Performs DDF detection using Multinomial Log-linear Regression model. |
| logLik.difNLR | Performs DIF detection using Non-Linear Regression method. |
| MLR | DDF likelihood ratio statistics based on Multinomial Log-linear Regression model. |
| MSATB | Dichotomous Data Set of Medical School Admission Test in Biology |
| MSATBkey | Key of Correct Answers for 'MSATBtest' Data Set |
| MSATBtest | Data Set of School Admission Test in Biology |
| NLR | Non-Linear Regression DIF statistic. |
| plot.ddfMLR | Performs DDF detection using Multinomial Log-linear Regression model. |
| plot.ddfMR | Performs DDF detection using Multinomial Log-linear Regression model. |
| plot.difNLR | ICC and test statistics plots for difNLR object |
| predict.difNLR | Predicted values for difNLR object |
| print.ddfMLR | Performs DDF detection using Multinomial Log-linear Regression model. |
| print.difNLR | Performs DIF detection using Non-Linear Regression method. |
| resid.difNLR | Performs DIF detection using Non-Linear Regression method. |
| residuals.difNLR | Performs DIF detection using Non-Linear Regression method. |
| startNLR | Calculates starting values for Non-Linear Regression DIF models. |
| _PACKAGE | DIF and DDF Detection by Non-Linear Regression Models. |