Detection of Differential Item Functioning (DIF) and Differential Distractor Functioning (DDF) by Non-Linear Regression Models

checkInterval | Checks interval bounds. |

ddfMLR | Performs DDF detection using Multinomial Log-linear... |

difNLR | Performs DIF detection using Non-Linear Regression method. |

difNLR-package | Detection of Differential Item Functioning (DIF) and... |

estimNLR | Non-Linear Regression DIF models estimation. |

formulaNLR | Formula for Non-Linear Regression DIF model. |

genNLR | Generates data set based on Non-Linear Regression DIF a DDF... |

GMAT | Dichotomous Data Set Based on Graduate Management Admission... |

GMAT2 | Dichotomous Data Set Based on Graduate Management Admission... |

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... |

MLR | DDF likelihood ratio statistics based on Multinomial... |

MSATB | Dichotomous Data Set of Medical School Admission Test in... |

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.difNLR | ICC and test statistics plots for difNLR object |

startNLR | Calculates starting values for Non-Linear Regression DIF... |

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