Calculates the per-observation 0/1 loss as $$ t_i \neq r_1. $$
Measure to compare true observed labels with predicted labels in multiclass classification tasks.
Note that this is an unaggregated measure, returning the losses per observation.
Calculates the per-observation 0/1 loss as $$ t_i \neq r_1. $$
Measure to compare true observed labels with predicted labels in multiclass classification tasks.
Note that this is an unaggregated measure, returning the losses per observation.