interaction_df: Make prediction dataframe for chopsticks
In pbs-assess/gfranges: Groundfish Ranges

Make prediction dataframe for chopsticks

interaction_df(
  data,
  formula,
  species = NULL,
  x_variable = "squashed_temp_vel",
  split_variable = "mean_temp",
  use_quantiles = TRUE,
  N = 3
)

`data`	The data frame used to make the model matrix.
`formula`	The formula used to make the model matrix.
`species`	If NULL, loops through all species in raw data.
`x_variable`	Which variable to plot sticks on.
`split_variable`	Which variable to plot sticks at the min and max of.
`use_quantiles`	If TRUE, plots lines for 2.5th and 97.5th quantile of splitting varible values occupied by each species. If FALSE, use min and max values occupied by each species.
`N`	Number of increments