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flextable R package

R build status version test coverage Active

The flextable package provides a framework for easily create tables for reporting and publications. Tables can be easily formatted with a set of verbs such as bold(), color(), they can receive a header of more than one line, cells can be merged or contain an image. The package make it possible to build any table for publication from a data.frame and provides sugar function as_flextable() to convert several R objects to a flextable, such as an object return from table() or a model.

Tables can be embedded within HTML, PDF, Word and PowerPoint documents from R Markdown documents and within RTF or Microsoft Word or PowerPoint documents with package officer. Tables can also be rendered as R plots or graphic files (png).

flextable formats

flextable(mtcars) %>% 
  theme_vanilla() %>% 
  save_as_docx(path = "mytable.docx")

A flextable object is a data.frame representation. An API is available to let R users create tables for reporting and control their formatting properties and their layout. The package provides functions that give control over:

  • header, body and footer content
  • text, paragraphs, cells and border formatting of any element
  • displayed values

The package also offers a set of high-level functions that allow tabular reporting of statistical models and the creation of complex cross tabulations.

Examples

library(flextable)
set_flextable_defaults(
  font.family = "Arial", font.size = 10, 
  border.color = "gray", big.mark = "")

ft <- flextable(head(mtcars)) |> 
  bold(part = "header") 
ft

ft |> 
  highlight(i = ~ mpg < 22, j = "disp", color = "#ffe842") |> 
  bg(j = c("hp", "drat", "wt"), 
     bg = scales::col_quantile(palette = c("wheat", "red"), domain =NULL)) |> 
  add_footer_lines("The 'mtcars' dataset")

ggplot2::diamonds[, c("cut", "carat", "price", "clarity", "table")] |> 
  summarizor(by = c("cut")) |> 
  as_flextable(spread_first_col = TRUE)

Installation

install.packages("flextable")

You can get the development version from GitHub:

devtools::install_github("davidgohel/flextable")

Resources

Getting help / questions

If you have questions about how to use the package, visit Stackoverflow and use tags flextable and r Stackoverflow link. You can also use https://github.com/davidgohel/flextable/discussions to start a discussion.

Bug reports

When you file a bug report, please spend some time making it easy for us to reproduce. If you take the time to make the bug report consistent, it will be easier to fix.