It contains six robust diagnostic accuracy methods to evaluate three or four category classifiers.
Hypervolume Under Manifold (HUM), described in the paper:
Jialiang Li (2008) <doi:10.1093/biostatistics/kxm050>.
Jialiang Li (2014) <doi:10.3109/1354750X.2013.868516>.
Correct Classification Percentage (CCP), Integrated Discrimination Improvement (IDI), Net Reclassification Improvement (NRI), R-Squared Value (RSQ), described in the paper:
Jialiang Li (2013) <doi:10.1093/biostatistics/kxs047>.
Polytomous Discrimination Index (PDI), described in the paper:
Van Calster B (2012) <doi:10.1007/s10654-012-9733-3>.
Jialiang Li (2017) <doi:10.1177/0962280217692830>.

It contains six common multi-category classification accuracy evaluation measures:
Hypervolume Under Manifold (HUM), described in
Li and Fine (2008) <doi:10.1093/biostatistics/kxm050>.
Correct Classification Percentage (CCP), Integrated Discrimination Improvement (IDI), Net Reclassification Improvement (NRI), R-Squared Value (RSQ), described in
Li, Jiang and Fine (2013) <doi:10.1093/biostatistics/kxs047>.
Polytomous Discrimination Index (PDI), described in
Van Calster et al. (2012) <doi:10.1007/s10654-012-9733-3>.
Li et al. (2018) <doi:10.1177/0962280217692830>.

It contains six common multi-category classification accuracy evaluation measures:
Hypervolume Under Manifold (HUM), described in
Li and Fine (2008) <doi:10.1093/biostatistics/kxm050>.
Correct Classification Percentage (CCP), Integrated Discrimination Improvement (IDI), Net Reclassification Improvement (NRI), R-Squared Value (RSQ), described in
Li, Jiang and Fine (2013) <doi:10.1093/biostatistics/kxs047>.
Polytomous Discrimination Index (PDI), described in
Van Calster et al. (2012) <doi:10.1007/s10654-012-9733-3>.
Li et al. (2018) <doi:10.1177/0962280217692830>.
We described all these above measures and our mcca package in
Li, Gao and D'Agostino (2019) <doi:10.1002/sim.8103>.

It contains six common multi-category classification accuracy evaluation measures.
All of these measures could be found in Li and Ming (2019) <doi:10.1002/sim.8103>. Specifically,
Hypervolume Under Manifold (HUM), described in
Li and Fine (2008) <doi:10.1093/biostatistics/kxm050>.
Correct Classification Percentage (CCP), Integrated Discrimination Improvement (IDI), Net Reclassification Improvement (NRI), R-Squared Value (RSQ), described in
Li, Jiang and Fine (2013) <doi:10.1093/biostatistics/kxs047>.
Polytomous Discrimination Index (PDI), described in
Van Calster et al. (2012) <doi:10.1007/s10654-012-9733-3>.
Li et al. (2018) <doi:10.1177/0962280217692830>.
We described all these above measures and our mcca package in
Li, Gao and D'Agostino (2019) <doi:10.1002/sim.8103>.