Computes the Conover-Iman test (1979) for stochastic dominance and reports the results among multiple pairwise comparisons after a Kruskal-Wallis test for stochastic dominance among k groups (Kruskal and Wallis, 1952). The interpretation of stochastic dominance requires an assumption that the CDF of one group does not cross the CDF of the other. conover.test makes k(k-1)/2 multiple pairwise comparisons based on Conover-Iman t-test-statistic of the rank differences. The null hypothesis for each pairwise comparison is that the probability of observing a randomly selected value from the first group that is larger than a randomly selected value from the second group equals one half; this null hypothesis corresponds to that of the Wilcoxon-Mann-Whitney rank-sum test. Like the rank-sum test, if the data can be assumed to be continuous, and the distributions are assumed identical except for a difference in location, Conover-Iman test may be understood as a test for median difference. conover.test accounts for tied ranks. The Conover-Iman test is strictly valid if and only if the corresponding Kruskal-Wallis null hypothesis is rejected.

Version: | 1.1.5 |

Published: | 2017-10-30 |

Author: | Alexis Dinno |

Maintainer: | Alexis Dinno <alexis.dinno at pdx.edu> |

License: | GPL-2 |

NeedsCompilation: | no |

CRAN checks: | conover.test results |

Reference manual: | conover.test.pdf |

Package source: | conover.test_1.1.5.tar.gz |

Windows binaries: | r-devel: conover.test_1.1.5.zip, r-release: conover.test_1.1.5.zip, r-oldrel: conover.test_1.1.5.zip |

macOS binaries: | r-release (arm64): conover.test_1.1.5.tgz, r-release (x86_64): conover.test_1.1.5.tgz, r-oldrel: conover.test_1.1.5.tgz |

Old sources: | conover.test archive |

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