Description Usage Arguments Value Author(s) See Also

Each rectangle stands for a stratum, and the simple random sampling without replacement is performed within each stratum. The points being sampled are marked out (by red circles by default).

1 2 3 |

`pop` |
a vector for the size of each stratum in the population. |

`size` |
a corresponding vector for the sample size in each stratum (recycled if necessary). |

`p.col, p.cex` |
different colors /magnification rate to annotate the population and the sample |

`...` |
other arguments passed to |

None (invisible '`NULL`

').

Yihui Xie

`sample`

, `sample.simple`

,
`sample.cluster`

, `sample.ratio`

,
`sample.system`

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