bold()

Set bold font weight on selected rows and columns of a flextable.

bold() changes the font weight of a selection of cells in a flextable.

Function signature

bold(x, i = NULL, j = NULL, bold = TRUE, part = "body")

Parameters

x · flextable · required

A flextable object.

i · integer | formula | logical

Row selector. Accepts integer indices, a one-sided formula (e.g., ~ col > 5), or a logical vector. NULL selects all rows in the specified part.

j · integer | character | formula

Column selector. Accepts integer indices, column names, a formula, or a logical vector. NULL selects all columns.

bold · logical · default: "TRUE"

TRUE to apply bold, FALSE to remove it.

part · string · default: "body"

Which part of the table to target: "body", "header", "footer", or "all".

Return value

The modified flextable object.

Examples

Make the header row bold:

ft <- flextable(head(iris))
ft <- bold(ft, bold = TRUE, part = "header")
ft

Make a specific column bold using a formula row selector:

ft <- flextable(head(mtcars))
ft <- bold(ft, i = ~ cyl > 4, j = "cyl")
ft

See also

• italic()
• fontsize()
• color()
• style() — apply multiple formatting properties at once