Description Usage Arguments Details Value Author(s) References See Also Examples

This function estimates mean, standard deviation and proportion of subsets based on a survey design and plausible values.

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`by` |
A formula statement is expected which splits the data into several subsets. Means and proportions will be estimated within these subsets. |

`svydat` |
A survey design which was generated by the |

`pvs` |
A character vector which includes the colnames of the plausible values. These variables must be part of the survey design comitted as |

`colN` |
If TRUE the colnames will equal the grouping variable names from the by statement. If FALSE, which is the default, the names will be Group1 up to Group k. |

All variables, including the subsetting ones defined with `by`

, must be part of the survey design object.

Missing values are deleted listwise.

Note that '.' is not allowed as part of the level string of a `by`

variable. For example c("1.thing","2.thing") is not allowed and will cause a error message.

The function returns a data.frame with the following columns

`Group1..k` |
The first k columns show the different levels of the k subsetting groups. |

`Number.of.cases` |
Shows the unweighted number of cases (NA's excluded) within each group. |

`Sum.of.weights` |
Shows the sum of weights (NA's excluded) within each group. |

`Proportion` |
Shows the (weighted) estimated proportion of persons within the categories. |

`Proportion.SE` |
Shows the Standard Errors of the proportion estimate. |

`pvs_mean` |
Shows the mean estimate of plausible values within each group. |

`pvs_mean.SE` |
Denotes the Standard error of the mean estimate. |

`pvs_stddev` |
Shows the standard deviation (sd) estimate of plausible values within each group. |

`pvs_stddev.SE` |
Denotes the Standard error of the sd estimate. |

Manuel Reif

Lumley, T. (2010). *Complex Surveys*. Hoboken, NJ: Wiley.

Saerndal, C.-E. & Swensson, B. & Wretman, J. (1992). *Model Assisted Survey Sampling*. New York: Springer.

Chaudhuri, A. & Stenger, H. (2005). *Survey Sampling. Theory and Methods*. Boka Raton, FL: Chapman & Hall/CRC.

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