Imbalanced data with 500 positives and 5000 negatives.

A list contains labels and scores of five different performance levels. All scores were randomly generated.

data(IB500)

Format

A list with 8 items.

np

number of positives: 500

nn

number of negatives: 5000

labels

labels of observed data

random_scores

scores of a random performance level

poor_er_scores

scores of a poor early retrieval level

good_er_scores

scores of a good early retrieval level

excel_scores

scores of an excellent level

perf_scores

scores of the perfect level