is_reference_category: Check if category name is a standard reference/negative value

In summata: Publication-Ready Summary Tables and Forest Plots

Check if category name is a standard reference/negative value

Description

Determines whether a category name represents a standard reference or negative value that indicates absence. Used to suppress redundant category names when condensing binary variables.

Usage

is_reference_category(
  category,
  label = NULL,
  norm_category = NULL,
  norm_label = NULL
)

Arguments

category	Character string with the category name.
label	Optional character string with the variable label. If provided, checks if category is "No [label]" or similar patterns.
norm_category	Optional pre-normalized category (lowercase, trimmed). If provided, skips normalization for performance.
norm_label	Optional pre-normalized label (lowercase, trimmed). If provided, skips normalization for performance.

Value

Logical indicating whether category is a reference/negative value.

summata documentation built on May 7, 2026, 5:07 p.m.