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Computes the Conover-Iman test (1979) for 0th-order stochastic dominance and reports the results among multiple pairwise comparisons after a Kruskal-Wallis omnibus test for i0th-order stochastic dominance among k groups (Kruskal and Wallis, 1952). 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 and for mean 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: | 1.1.6 |
| Published: | 2024-04-09 |
| DOI: | 10.32614/CRAN.package.conover.test |
| 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_1.1.6.tar.gz |
| Windows binaries: | r-devel: conover.test_1.1.6.zip, r-release: conover.test_1.1.6.zip, r-oldrel: conover.test_1.1.6.zip |
| macOS binaries: | r-release (arm64): conover.test_1.1.6.tgz, r-oldrel (arm64): conover.test_1.1.6.tgz, r-release (x86_64): conover.test_1.1.6.tgz, r-oldrel (x86_64): conover.test_1.1.6.tgz |
| Old sources: | conover.test archive |
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