Predict method for the conjoint function when a by variables is used

predict_conjoint_by(object, pfun, pred_data = NULL, pred_cmd = "",
  conf_lev = 0.95, se = FALSE, dec = 3, envir = parent.frame(),
  ...)

Arguments

object	Return value from `conjoint`
pfun	Function to use for prediction
pred_data	Name of the dataset to use for prediction
pred_cmd	Command used to generate data for prediction
conf_lev	Confidence level used to estimate confidence intervals (.95 is the default)
se	Logical that indicates if prediction standard errors should be calculated (default = FALSE)
dec	Number of decimals to show
envir	Environment to extract data from
...	further arguments passed to or from other methods