一、官方说明文档 Helponfunctioncrosstabinmodulepandas.core.reshape.pivot:crosstab(index,columns,values=None,rownames=None,colnames=None,aggfunc=None,margins=False,margins_name:str='All',dropna:bool=True,normalize=False)->'DataFrame'Computeasimplecrosstabulationoftwo(ormore)factors.Bydefaultcomputesafrequen...
Example of pandas.crosstab() function# Importing pandas package import pandas as pd # Importing numpy package import numpy as np # Creating numpy arrays a = np.array(["One", "Two", "Three", "Four", "Red", "Blue", "Green", "White", "One", "One", "One"], dtype=object) b =...
columns:column, Grouper, array, or list of the previous。 aggfunc:function, list of functions, dict, default numpy.mean。聚合方式 fill_value:scalar, default None。Value to replace missing values with (in the resulting pivot table, after aggregation).(缺失值填充) margins:bool, default False。Ad...
pandas函数之 pivot、 pivot_table和 crosstab 1、pivot⽅法 pandas.pivot(data, index=None, columns=None, values=None) （1）参数 data：DataFrame index：str or object or a list of str, optional。⽤于创建新DataFrame索引名称。 如果没有，则使⽤现有的索引。 columns...
Themarginskeyword instructed pandas to add a total for each row as well as a total at the bottom. I also passed a value tomargins_namein the function call because I wanted to label the results “Total” instead of the default “All”. ...