Add arguments to geom_bracket for parsing plotmath expression

[kassambara]

No description provided.

[kassambara]

library(ggpubr)
#> Le chargement a nécessité le package : ggplot2
# Data preparation
df <- ToothGrowth
df$dose <- factor(df$dose)

# Add bracket with text labels
ggboxplot(df, x = "dose", y = "len") +
  geom_bracket(
    xmin = "0.5", xmax = "1", y.position = 30,
    label = "t-test, p < 0.05"
  )

# Using expression
ggboxplot(df, x = "dose", y = "len") +
  geom_bracket(
    xmin = "0.5", xmax = "1", y.position = 30,
    label = "list(~italic(p) <= 0.05)",
    type = "expression"
  )

^{Created on 2020-04-05 by the reprex package (v0.3.0.9001)}