extract equating information
# S3 method for p2pass
coef(object, ...)A data.frame with columns:
id of the target booklet
score on the target booklet
probability to pass on the reference test given score_new
proportion that correctly passes
The proportion of positives that are correctly identified as such
The proportion of negatives that are correctly identified as such
proportion in sample with score_new
an p2pass object, generated by probability_to_pass
further arguments are currently ignored