modify_missing_symbol: Modify Missing Substitution

In gtsummary: Presentation-Ready Data Summary and Analytic Result Tables

Modify Missing Substitution

Description

Specify how missing values will be represented in the printed table. By default, a blank space is printed for all NA values.

Usage

modify_missing_symbol(x, symbol, columns, rows)

Arguments

x	(gtsummary) A gtsummary object
symbol	(string) string indicating how missing values are formatted.
columns	(tidy-select) columns to add missing symbol.
rows	(predicate expression) Predicate expression to select rows in x$table_body. Review rows argument details.

Value

Updated gtsummary object

Examples

# Use the abbreivation "Ref." for reference rows instead of the em-dash
lm(marker ~ trt, data = trial) |>
  tbl_regression() |>
  modify_missing_symbol(
    symbol = "Ref.",
    columns = c(estimate, conf.low, conf.high),
    rows = reference_row == TRUE
  )

gtsummary documentation built on April 3, 2025, 10:18 p.m.