1. prcbench::C1DATA
    C1: Pre-calculated Precision-Recall curve
  2. prcbench::C2DATA
    C2: Pre-calculated Precision-Recall curve
  3. prcbench::C3DATA
    C3: Pre-calculated Precision-Recall curve
  4. prcbench::C4DATA
    C4: Pre-calculated Precision-Recall curve
  5. precrec::B1000
    Balanced data with 1000 positives and 1000 negatives.
  6. precrec::B500
    Balanced data with 500 positives and 500 negatives.
  7. precrec::IB1000
    Imbalanced data with 1000 positives and 10000 negatives.
  8. precrec::IB500
    Imbalanced data with 500 positives and 5000 negatives.
  9. precrec::M2N50F5
    5-fold cross validation sample.
  10. precrec::P10N10
    A small example dataset with several tied scores.