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Set column formatter functions — set_formatter • flextable

Apply formatter functions to column keys.

Functions should have a single argument (the vector) and should return the formatted values as a character vector.

set_formatter(x, ..., values = NULL, part = "body")

x

a flextable object

...

Name-value pairs of functions, names should be existing col_key values

values

format functions, If values is supplied argument ... is ignored.

• It can be a list of name-value pairs of functions, names should be existing col_key values.

• If values is a single function, it will be applied to each column.

part

part of the table (one of 'body' or 'header' or 'footer') where to apply the formatter functions.

ft <- flextable(head(iris))
ft <- set_formatter(
  x = ft,
  Sepal.Length = function(x) sprintf("%.02f", x),
  Sepal.Width = function(x) sprintf("%.04f", x)
)
ft <- theme_vanilla(ft)
ft

           
Sepal.Length
           
Sepal.Width
           
Petal.Length
           
Petal.Width
           
Species
           
5.10
           
3.5000
           
1.4
           
0.2
           
setosa
           
4.90
           
3.0000
           
1.4
           
0.2
           
setosa
           
4.70
           
3.2000
           
1.3
           
0.2
           
setosa
           
4.60
           
3.1000
           
1.5
           
0.2
           
setosa
           
5.00
           
3.6000
           
1.4
           
0.2
           
setosa
           
5.40
           
3.9000
           
1.7
           
0.4
           
setosa

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