DataFrame 刪除全為零的行

from pandas import DataFrame
df1=DataFrame(np.arange(16).reshape((4,4)),index=['a','b','c','d'],columns=['one','two','three','four']) # 創建一個dataframe
df1.loc['e'] = 0 # 優雅地增加一行全0
df1.ix[(df1==0).all(axis=1), :] # 找到它
df1.ix[~(df1==0).all(axis=1), :] # 刪了它

原文鏈接：https://blog.csdn.net/qxqxqzzz/java/article/details/88786380   侵刪