REG_L2             70 modules/ml/src/lr.cpp         norm = LogisticRegression::REG_L2;
REG_L2            102 modules/ml/test/test_lr.cpp     p->setRegularization(LogisticRegression::REG_L2);
REG_L2            165 modules/ml/test/test_lr.cpp         lr1->setRegularization(LogisticRegression::REG_L2);
REG_L2            141 samples/cpp/logistic_regression.cpp     lr1->setRegularization(LogisticRegression::REG_L2);