Sample-size and power planning helper
Usage
sample_size_plan(
type = c("proportion", "mean", "correlation", "t_test", "anova", "regression", "sem"),
margin_error = NULL,
sd = NULL,
p = 0.5,
r = NULL,
alpha = 0.05,
power = 0.8,
groups = 2L,
predictors = NULL
)Arguments
- type
Planning target:
"proportion","mean","correlation","t_test","anova","regression", or"sem".- margin_error
Margin of error for mean/proportion planning.
- sd
Standard deviation for mean planning.
- p
Expected proportion.
- r
Expected correlation.
- alpha
Significance level.
- power
Desired power.
- groups
Number of groups for ANOVA/t-test planning.
- predictors
Number of predictors for regression planning.