<Python>判断变量是否是DataFrame 或者 Series

https://stackoverflow.com/questions/14808945/check-if-variable-is-dataframe

Use the built-in isinstance() function.

1 import pandas as pd
2 
3 def f(var):
4     if isinstance(var, pd.DataFrame):
5         print "do stuff"

原文：https://www.cnblogs.com/focus-z/p/10134539.html