（线性支持向量机）手写数字识别

from sklearn.datasets import load_digits
digits=load_digits()
digits.data.shape

from sklearn.cross_validation import train_test_split
X_train,X_test,y_train,y_test=train_test_split(digits.data,digits.target,test_size=0.25,random_state=33)

y_train.shape
y_test.shape

from sklearn.preprocessing import StandardScaler
from sklearn.svm import LinearSVC

ss=StandardScaler()
X_train=ss.fit_transform(X_train)
X_test=ss.transform(X_test)

lsvc=LinearSVC()

lsvc.fit(X_train,y_train)

y_predict=lsvc.predict(X_test)

print "The Accuracy of Linear SVC is",lsvc.score(X_test,y_test)
from sklearn.metrics import classification_report
print classification_report(y_test,y_predict,target_names=digits.target_names.astype(str))