【3.2.2】Pandas--Dataframe遍历
要以 Pandas 的方式迭代遍历DataFrame的行,可以使用:
DataFrame.iterrows()
for index_1, row_1 in df.iterrows():
print row_1["c1"], row_1["c2"]
# 新增一列信息
df.at[index_1,'sort'] =2
DataFrame.itertuples()
for row in df.itertuples(index=True, name='Pandas'):
print getattr(row, "c1"), getattr(row, "c2")
itertuples()应该比iterrows()快
