percentages.md
In ggvenn: Draw Venn Diagram by 'ggplot2'

stats

Code
  normalize_ggvenn_output(ggvenn(a, show_percentage = FALSE))
Output
  [[1]]
  [[1]]$A
  [1] TRUE TRUE TRUE TRUE TRUE

  [[1]]$B
  [1]  TRUE  TRUE FALSE FALSE FALSE

  [[1]]$label
  [1] 1 2 3 4 5

  [[1]]$PANEL
  [1] 1 1 1 1 1
  Levels: 1

  [[1]]$group
  [1] 2 2 1 1 1
  attr(,"n")
  [1] 2

  [[1]]$xmin
  [1] -1.866163 -1.866163 -1.866163 -1.866163 -1.866163

  [[1]]$xmax
  [1] 1.866667 1.866667 1.866667 1.866667 1.866667

  [[1]]$ymin
  [1] -1.199874 -1.199874 -1.199874 -1.199874 -1.199874

  [[1]]$ymax
  [1] 1.4 1.4 1.4 1.4 1.4

Code
  normalize_ggvenn_output(ggvenn(a, show_percentage = TRUE))
Output
  [[1]]
  [[1]]$A
  [1] TRUE TRUE TRUE TRUE TRUE

  [[1]]$B
  [1]  TRUE  TRUE FALSE FALSE FALSE

  [[1]]$label
  [1] 1 2 3 4 5

  [[1]]$PANEL
  [1] 1 1 1 1 1
  Levels: 1

  [[1]]$group
  [1] 2 2 1 1 1
  attr(,"n")
  [1] 2

  [[1]]$xmin
  [1] -1.866163 -1.866163 -1.866163 -1.866163 -1.866163

  [[1]]$xmax
  [1] 1.866667 1.866667 1.866667 1.866667 1.866667

  [[1]]$ymin
  [1] -1.199874 -1.199874 -1.199874 -1.199874 -1.199874

  [[1]]$ymax
  [1] 1.4 1.4 1.4 1.4 1.4

Code
  normalize_ggvenn_output(ggvenn(a, show_percentage = TRUE, digits = 2))
Output
  [[1]]
  [[1]]$A
  [1] TRUE TRUE TRUE TRUE TRUE

  [[1]]$B
  [1]  TRUE  TRUE FALSE FALSE FALSE

  [[1]]$label
  [1] 1 2 3 4 5

  [[1]]$PANEL
  [1] 1 1 1 1 1
  Levels: 1

  [[1]]$group
  [1] 2 2 1 1 1
  attr(,"n")
  [1] 2

  [[1]]$xmin
  [1] -1.866163 -1.866163 -1.866163 -1.866163 -1.866163

  [[1]]$xmax
  [1] 1.866667 1.866667 1.866667 1.866667 1.866667

  [[1]]$ymin
  [1] -1.199874 -1.199874 -1.199874 -1.199874 -1.199874

  [[1]]$ymax
  [1] 1.4 1.4 1.4 1.4 1.4