WAnova (version 0.4.0)

games_howell.test: games_howell.test

Description

Games-Howell post hoc test for multiple comparisons after Welch's ANOVA.

Usage

games_howell.test(levels, n, means, sd, conf.level = 0.95)

Value

A data frame of class "wAnova_gh" containing the pairwise comparisons with mean differences, standard errors, confidence intervals, t-values, degrees of freedom, and p-values. Significance codes are also included.

Arguments

levels

A vector containing the level names of the independent variable.

n

A vector containing the sample sizes for each level.

means

A vector containing the sample means for each level.

sd

A vector containing the sample standard deviations for each level.

conf.level

The confidence level for the interval. Defaults to 0.95.

Examples

# \donttest{
probe_data <- data.frame(
  group = c("probe_a", "probe_b", "probe_c"),
  size = c(10, 9, 8),
  mean = c(43.00000, 33.44444, 35.75000),
  sd = c(4.027682, 9.302031, 16.298554)
)
result <- games_howell.test(probe_data$group, probe_data$size, probe_data$mean, probe_data$sd)
print(result)
# }