遍历数据有以下三种方法:
简单对上面三种方法进行说明:
iterrows(): 按行遍历,将DataFrame的每一行迭代为(index, Series)对,可以通过row[name]对元素进行访问。...itertuples(): 按行遍历,将DataFrame的每一行迭代为元祖,可以通过row[name]对元素进行访问,比iterrows()效率高。...iteritems():按列遍历,将DataFrame的每一列迭代为(列名, Series)对,可以通过row[index]对元素进行访问。...import pandas as pd
inp = [{‘c1’:10, ‘c2’:100}, {‘c1’:11, ‘c2’:110}, {‘c1’:12, ‘c2’:123}]
df = pd.DataFrame..., ‘name’)
for row in df.itertuples():
print(getattr(row, ‘c1’), getattr(row, ‘c2’)) # 输出每一行
1
2
按列遍历