Between-Groups One-Way ANOVA

Description

Performs a one-way between-groups ANOVA with descriptive statistics for each group level. Uses listwise deletion (matches SPSS/JAMOVI).

Usage

bg_anova_answers(data, iv, dv)

Arguments

data	A data frame or tibble.
iv	Character string. Name of the independent variable (grouping factor).
dv	Character string. Name of the dependent (continuous) variable.

Value

A list with elements:

ANOVA

A list with F, p_value, df_between, df_within, mse, and method. Unrounded.

Descriptives

A tibble with iv, mean, sd, n, and sem per group. Unrounded.

Sample_Size

Total number of valid cases.

Examples

library("psych350lab")

data(superman, package = "psych350data")
result <- bg_anova_answers(superman, iv = "clark_grp", dv = "rt_critics_score")
result$ANOVA

$F
[1] 1.498389

$p_value
[1] 0.2668004

$df_between
[1] 1

$df_within
[1] 6

$mse
[1] 103.4722

$method
[1] "One-way ANOVA"

result$Descriptives

# A tibble: 2 × 5
  iv             mean    sd     n   sem
  <fct>         <dbl> <dbl> <int> <dbl>
1 6ft or taller  76.8 11.1      6  4.54
2 Under 6ft      87    1.41     2  1