style_header_cells: style_header_cells

In tablespan: Create Satisficing 'Excel', 'HTML', 'LaTeX', and 'RTF' Tables using a Simple Formula

style_header_cells

Description

Set the style used for the cells in the openxlsx export. This function is used to create the borders around cells in openxlsx.

Usage

style_header_cells(
  tbl,
  background_color = "#ffffff",
  text_color = "#000000",
  font_size = NULL,
  bold = FALSE,
  italic = FALSE,
  openxlsx_style = NULL
)

Arguments

tbl	tablespan table
background_color	hex code for the background color
text_color	hex code for the text color
font_size	font size
bold	set to TRUE for bold
italic	set to TRUE for italic
openxlsx_style	optional custom openxlsx style. When provided, all other arguments are ignored

Details

- openxlsx_style must be a style object created with openxlsx::createStyle. This style will then be applied to the header

Value

the tablespan table with added styles

Examples

library(tablespan)
library(dplyr)
data("mtcars")

# We want to report the following table:
summarized_table <- mtcars |>
  group_by(cyl, vs) |>
  summarise(N = n(),
            mean_hp = mean(hp),
            sd_hp = sd(hp),
            mean_wt = mean(wt),
            sd_wt = sd(wt))

# Create a tablespan:
tbl <- tablespan(data = summarized_table,
                 formula = Cylinder:cyl + Engine:vs ~
                   N +
                   (`Horse Power` = Mean:mean_hp + SD:sd_hp) +
                   (`Weight` = Mean:mean_wt + SD:sd_wt),
                 title = "Motor Trend Car Road Tests",
                 subtitle = "A table created with tablespan",
                 footnote = "Data from the infamous mtcars data set.")

wb <- tbl |>
  style_header_cells(text_color = "#345364") |>
  as_excel()
# save workbook to see the effect

tablespan documentation built on Sept. 10, 2025, 10:35 a.m.