将Pandas中的DataFrame转换成Numpy中数组三种方法:
T.values
T.as_matrix()
np.array(T)
三种方法都可以:
np.array(T)
print(y_test.head())
print('y_test:',type(y_test))
d = np.array(y_test)
print('y_test:',d[0:3,:])
T.values
print(y_test.head())
print('y_test:',type(y_test))
y_test=y_test.values
print('y_test:',y_test[0:3,:])
T.as_matrix()
print(y_test.head())
print('y_test:',type(y_test))
y_test = y_test.as_matrix()
print('y_test:',y_test[0:3,:])
结果都是如下:
PE
5014 458.92
6947 430.55
9230 473.85
4290 435.02
6477 456.44
y_test: <class ‘pandas.core.frame.DataFrame’>
y_test: [[ 458.92]
[ 430.55]
[ 473.85]]