python版本: 3.6
pandas版本: 0.23.4
行索引
索引行有三种方法，分别是 loc iloc ix
import pandas as pd
import numpy as np
index = [a, b, c, d]
data = np.random.randint(10, size=(4, 3))
df = pd.DataFrame(data, index=index)
0 1 2
a 9 7 1
b 0 0 7
c 2 6 5
d 8 2 5
loc
python读写csv文件并增加行列，具体代码如下所示：
# -*- coding: utf-8 -*-
Created on Thu Aug 17 11:28:17 2017
author: Shawn Yuen
import csv
d = list(range(38685))
with open('./kinetics_test.csv') as f1:
f_csv = csv.DictReader(f1)
for i, row in enumerate(f_csv):
#pr
