assumption_report: Assumption-check report

In surveyframe: Survey Instrument Workflows

Assumption-check report

Description

Performs common assumption checks for survey analyses using base R where possible: Shapiro-Wilk tests, skewness/kurtosis screening, Levene and Brown-Forsythe tests, regression residual checks, VIF, Cook's distance, expected-count checks, and sparse-cell warnings.

Usage

assumption_report(
  data,
  variables = NULL,
  group = NULL,
  outcome = NULL,
  predictors = NULL,
  table_vars = NULL
)

Arguments

data	A data.frame.
variables	Numeric variables for normality screening.
group	Optional grouping variable for Levene/Brown-Forsythe tests.
outcome	Optional regression outcome.
predictors	Optional regression predictors.
table_vars	Optional two categorical variables for expected-count checks.

Value

An object of class sframe_assumption_report.

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