prepare_data
prepare_data(
DF,
ID_var,
group_var,
area_var,
x_var,
width_plot = 100,
height_group = 10,
area_multiplier = 1
)
input dataframe
ID variable
group variable
area variable
x axis variable
reduce x for plotting by this ratio
height of y axis for each group
multiply area size by this
DF