Description Usage Arguments Details Value Author(s) See Also

Obtain Wald chi-squared test statistics and p-values for one or more regression coefficients given their variance-covariance matrix.

1 |

`coeff` |
a vector with regression coefficients. |

`cov` |
a variance-covariance matrix. |

`index` |
an integer specifiying which parameters should be jointly tested. Default is to test
all parameters given in |

`h0` |
a vector with the same length as |

The test is based on the assumption that the coefficients asymptotically follow
a (multivariate) normal distribution with mean `coeff`

and a variance-covariance
matrix `cov`

.

A vector with the follwing components:

`chi2` |
the Wald-test statistic. |

`df` |
degress of freedom. |

`p` |
p-value. |

Daniela Dunkler

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