pandas操作excel-16-数据处理

拆分单元格内容

import pandas as pd

employees = pd.read_excel('C:/employee.xlsx')
df = employees['Full Name'].str.split(n=2, expand=True)

employees['First Name'] = df[0]
employees['Last Name'] = df[1]

数据统计,统计每个学员的总分，平均分，所有学员各科平均分，总分

students = pd.read_excel('C:/students.xlsx')

temp = students[['Test1', 'Test2', 'Test3']]
row_sum = temp.sum(axis=1)
row_mean = temp.mean(axis=1)
students['Total'] = row_sum
students['Average'] = row_mean

col_mean = students[['Test1', 'Test2', 'Test3', 'Total', 'Average']].mean(axis=0)
col_mean['Name'] = 'Summary'
students.append(col_mean, ignore_index=True)

去除重复数据

students.drop_duplicates(subset='Name')

找出重复数据

# 根据Name 查找是否有重复行，重复的话dupe值为True，否则为False
dupe = students.duplicated(subset='Name')
# 获取重复的行
dupe = dupe[dupe==True]
# 找到重复数据
dupe_data = students.iloc[dupe.index]

旋转表格，行转列，列转行

table = video.transpose()

读取CSV,TXT数据

table = pd.read_csv('C:/data.csv', sep='\t', index_col='ID')

来源：oschina

链接：https://my.oschina.net/ski/blog/3182998