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Placebo DiD on sub-groups expected to be unaffected

Usage

morie_did_placebo_test_group(
  data,
  outcome,
  treatment,
  post,
  group_col,
  unaffected_groups,
  covariates = NULL,
  cluster = NULL,
  alpha = 0.05
)

Arguments

data

Data frame.

outcome, treatment, post

Column names.

group_col

Column defining sub-groups.

unaffected_groups

Vector of group values where no effect is expected.

covariates

Optional character vector of covariate column names.

cluster

Optional cluster ID column for CR1 standard errors.

alpha

Significance level for confidence intervals (default 0.05).

Value

A data frame, one row per placebo group.