Returns the expected choices for a set of one or more alternatives based on the results from an estimated model.
Arguments
- model
The output of a model estimated model using the
logitr()function. Include if you want to compare true choices from actual observations (e.g. hold outs) to the predicted choices.- alts
A data frame of a set of alternatives for which to predict choices. Each row is an alternative and each column an attribute corresponding to parameter names in the estimated model.
- altID
The name of the column that identifies each alternative in each set of alternatives.
- obsID
The name of the column that identifies each set of alternatives. Required if predicting results for more than one set of alternatives. Defaults to
NULL(for a single set of alternatives).