Table 1: Generalization results of conjugate gradient methods PR, PR+, and MPR+.

Classification problems
Method Iris Diabetes Sonar YeastE.coli

PR 95.0% 76.1%75.9%95.8%
PR+ 95.3% 76.1% 75.6% 92.0%96.0%
MPR+98.1%76.4%75.9%92.5%96.0%