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rankdifferencetest

rankdifferencetest provides a modified Wilcoxon signed-rank test which produces consistent and meaningful results for ordinal or monotonically transformed data. The procedure was described by Diana Kornbrot in https://doi.org/10.1111/j.2044-8317.1990.tb00939.x

Installation

To install from CRAN

install.packages("rankdifferencetest")

Or, check the code on bitbucket at https://bitbucket.org/bklamer/rankdifferencetest.

Examples

# See ?rdt
library(rankdifferencetest)

res <- rdt(
  data = kornbrot_table1,
  formula = placebo ~ drug,
  alternative = "two.sided",
  distribution = "asymptotic"
)
res

License

Copyright: Brett Klamer - 2021 - MIT (http://opensource.org/licenses/MIT)

These binaries (installable software) and packages are in development.
They may not be fully stable and should be used with caution. We make no claims about them.