Description Usage Arguments Value Author(s) See Also

`zTest`

Conducts a z-tests difference in proportions for a dichotomous
categorical explanatory variable on a response variable. Assumes the null
hypothesis is equal proportions.

1 2 |

`data` |
Explanatory and response variable values |

`success` |
Which level of response variable to call "success", i.e. upon which inference should be done. Defaults to order in which factor variables are defined. |

`scope` |
Character string indicating the scope of the data being analyzed. |

`alternative` |
direction of the alternative hypothesis; "less","greater", or "two.sided" |

`conf` |
Desired confidence level |

`alpha` |
Probability of a type I error |

Data frame containing the results of the z-test

John James, [email protected]

Other xmar functions: `X23D`

, `X2`

,
`analyze3d`

, `analyze`

,
`discussion`

, `formatData`

,
`plotBars`

, `preprocess`

,
`propTest`

, `univariate`

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