Compute the percentage of points under each centile line

Compute the percentage of points under each centile line

Usage

check_sample_centiles(
  data,
  model,
  var_x,
  var_y,
  centiles = c(5, 10, 25, 50, 75, 90, 95)
)

Arguments

data

a dataset used to fit a model. If the dataframe is grouped with dplyr::group_by(), sample centiles are computed for each group.

model

a gamlss model prepared by mem_gamlss()

var_x, var_y

bare column names of the predictor and outcome variables

centiles

centiles to use for prediction. Defaults to c(5, 10, 25, 50, 75, 90, 95).

Value

a tibble the number of points and the percentage of points less than or equal to each quantile value.