onewaytests (version 2.5)

ss.test: Scott-Smith Test

Description

ss.test performs Scott-Smith test.

Usage

ss.test(formula, data, alpha = 0.05, na.rm = TRUE, verbose = TRUE)

Arguments

formula

a formula of the form lhs ~ rhs where lhs gives the sample values and rhs the corresponding groups.

data

a tibble or data frame containing the variables in the formula formula

alpha

the level of significance to assess the statistical difference. Default is set to alpha = 0.05.

na.rm

a logical value indicating whether NA values should be stripped before the computation proceeds.

verbose

a logical for printing output to R console.

Value

A list with class "owt" containing the following components:

statistic

the Scott-Smith test statistic.

parameter

the parameter(s) of the approximate chi-squared distribution of the test statistic.

p.value

the p-value of the test.

alpha

the level of significance to assess the statistical difference.

method

the character string "Scott-Smith Test".

data

a data frame containing the variables in which NA values (if exist) are removed.

formula

a formula of the form lhs ~ rhs where lhs gives the sample values and rhs the corresponding groups.

References

Scott, A., Smith, T. (1971). Interval Estimates for Linear Combinations of Means. Journal of the Royal Statistical Society: Series C (Applied Statistics), 20:3, 276-285.

Examples

# NOT RUN {
library(onewaytests)

ss.test(Sepal.Length ~ Species, data = iris)

out <- ss.test(Sepal.Length ~ Species, data = iris)
paircomp(out)


# }