rdplot_internal_cutoff: Basic RD plot
In KatoPachi/discreteRD: What the Package Does (One Line, Title Case)

Basic RD plot

rdplot_internal_cutoff(
  aggregate,
  predict1,
  predict0,
  cutoff,
  ate_label,
  ate_label_size = 5,
  outcome_label,
  ylim,
  vjust = 0,
  hjust = 0,
  xlab = "Running variable",
  ylab = "Average",
  ...
)

`aggregate`	observed data aggregated by mass points
`predict1`	predicted data of treated
`predict0`	predicted data of control
`cutoff`	cutoff value
`ate_label`	In-plot text about local ATE estimates
`ate_label_size`	In-plot text size
`outcome_label`	Outcome label in plot title
`ylim`	numeric vector of limits of y-axis
`vjust`	numeric. Adjust in-plot text vertically
`hjust`	numeric. Adjust in-plot text horizontally
`xlab`	label of x-axis
`ylab`	label of y-axis
`...`	arguments of `simplegg()`