R: Imbalanced data with 500 positives and 5000 negatives.

IB500 {precrec} | R Documentation

## Imbalanced data with 500 positives and 5000 negatives.

### Description

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

### Usage

    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

[Package precrec version 0.9.1 Index]