cv svm

a.rb

from sklearn.datasets import load_iris
from sklearn.multiclass import OneVsRestClassifier
from sklearn.svm import SVC
from sklearn.grid_search import GridSearchCV
from sklearn.metrics import f1_score

model_to_set = OneVsRestClassifier(SVC())

parameters = {
    "estimator__C": [2e-5, 2e-3, 2e-1, 2e1, 2e3, 2e5, 2e7, 2e9, 2e11, 2e13, 2e15],
    "estimator__kernel": ["rbf"],
    "estimator__degree":[2e-15, 2e-13, 2e-11, 2e-9, 2e-7, 2e-5, 2e-3, 2e-1, 2e1, 2e3],
}

model_tunning = GridSearchCV(model_to_set, param_grid=parameters,scoring='f1_micro',n_jobs=-1)

model_tunning.fit(X_ptrain, y_ptrain)

print model_tunning.best_score_
print model_tunning.best_params_