sample_size_plan: Sample-size and power planning helper

In surveyframe: Survey Instrument Workflows

Sample-size and power planning helper

Description

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.

Value

A list of planning estimates and warnings.

surveyframe documentation built on July 25, 2026, 1:07 a.m.