Modify post formatting — modify_post_fmt

Apply a formatting function after the primary formatting functions have been applied. The function is similar to gt::text_transform().

modify_post_fmt_fun(x, fmt_fun, columns, rows = TRUE)

Arguments

x

(gtsummary)
A gtsummary object

fmt_fun

(function)
a function that will be applied to the specified columns and rows.

columns

(tidy-select)
columns to add footnote.

For modify_footnote_spanning_header(), pass a single column name where the spanning header begins. If multiple column names are passed, only the first is used.

rows

(predicate expression)
Predicate expression to select rows in x$table_body. Review rows argument details.

Value

Updated gtsummary object

Examples

# Example 1 ----------------------------------
data.frame(x = FALSE) |>
  tbl_summary(type = x ~ "categorical") |>
  modify_post_fmt_fun(
    fmt_fun = ~ifelse(. == "0 (0%)", "0", .),
    columns = all_stat_cols()
  )


  Characteristic
      N = 1¹
    
x

    FALSE
1 (100%)
    TRUE
0
¹ n (%)