calculate_posterior | R Documentation |

If the tauj is not within the range rello - relhi from the dynamic EAP, the procedure ignores the score of item j.

calculate_posterior(scores, tau, qp, mu, sd, relhi, rello)

`scores` |
A vector with PASS/FAIL observations.
Scores are coded numerically as |

`tau` |
A vector containing the item difficulties for the item
scores in |

`qp` |
Numeric vector of equally spaced quadrature points. |

`mu` |
Numeric scalar. The mean of the prior. |

`sd` |
Numeric scalar. Standard deviation of the prior. |

`relhi` |
Positive numeric scalar. Upper end of the relevance interval |

`rello` |
Negative numeric scalar. Lower end of the relevance interval |

A `list`

with three elements:

Name | Label |

`eap` | Mean of the posterior |

`gp` | Vector of quadrature points |

`posterior` | Vector with posterior distribution. |

Since `dscore V40.1`

the function does not return the `"start"`

element.

Stef van Buuren, Arjan Huizing, 2020

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