scikit-learn中的各種衡量指標
from sklearn.metrics import mean_squared_error #均方誤差
from sklearn.metrics import mean_absolute_error #平方絕對誤差
from sklearn.metrics import r2_score#R square
#調用
mean_squared_error(y_test,y_predict)
mean_absolute_error(y_test,y_predict)
r2_score(y_test,y_predict)