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Statistical hypothesis testing of pattern heterogeneity via differences in underlying distributions across multiple contingency tables. Five tests are included: the comparative chi-squared test (Song et al. 2014) <doi:10.1093/nar/gku086> (Zhang et al. 2015) <doi:10.1093/nar/gkv358>, the Sharma-Song test (Sharma et al. 2021) <doi:10.1093/bioinformatics/btab240>, the heterogeneity test, the marginal-change test (Sharma et al. 2020) <doi:10.1145/3388440.3412485>, and the strength test (Sharma et al. 2020) <doi:10.1145/3388440.3412485>. Under the null hypothesis that row and column variables are statistically independent and joint distributions are equal, their test statistics all follow an asymptotically chi-squared distribution. A comprehensive type analysis categorizes the relation among the contingency tables into type null, 0, 1, and 2 (Sharma et al. 2020) <doi:10.1145/3388440.3412485>. They can identify heterogeneous patterns that differ in either the first order (marginal) or the second order (differential departure from independence). Second-order differences reveal more fundamental changes than first-order differences across heterogeneous patterns.
Version: | 0.1.3 |
Depends: | R (≥ 3.0), pander |
Imports: | Rdpack (≥ 0.6-1) |
Suggests: | Ckmeans.1d.dp, FunChisq, knitr, rmarkdown, testthat |
Published: | 2021-05-16 |
DOI: | 10.32614/CRAN.package.DiffXTables |
Author: | Ruby Sharma |
Maintainer: | Joe Song <joemsong at cs.nmsu.edu> |
License: | LGPL (≥ 3) |
NeedsCompilation: | no |
Citation: | DiffXTables citation info |
Materials: | README NEWS |
CRAN checks: | DiffXTables results |
Reference manual: | DiffXTables.pdf |
Vignettes: |
Using the 'DiffXTables' R package to detect heterogeneity |
Package source: | DiffXTables_0.1.3.tar.gz |
Windows binaries: | r-devel: DiffXTables_0.1.3.zip, r-release: DiffXTables_0.1.3.zip, r-oldrel: DiffXTables_0.1.3.zip |
macOS binaries: | r-release (arm64): DiffXTables_0.1.3.tgz, r-oldrel (arm64): DiffXTables_0.1.3.tgz, r-release (x86_64): DiffXTables_0.1.3.tgz, r-oldrel (x86_64): DiffXTables_0.1.3.tgz |
Old sources: | DiffXTables archive |
Reverse suggests: | FunChisq |
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