'>
实例化一个Pandas中的DataFrame类对象,即可创建出一个DataFrame数据。...s.values))
print(s.array)
['-0.4452' '-4.9981' '5.8854' ... '-1.3022' '3.685' '13.2526']
<class 'numpy.ndarray...0.2965', '-0.2426', '1.9791',
'-1.3022', '3.685', '13.2526']
Length: 4726, dtype: object
values是一个ndarray...Series的形状shape和转置.T
df = pd.read_csv('600519.csv', encoding='gbk')
s = df['涨跌幅']
print("形状:", s.shape...)
s2 = s.T
print("转置后形状:", s2.shape)
形状:(4726,)
转置后形状:(4726,)
需要注意的是,Series转置之后的形状与转置之前是一样的,这是因为Series