pandas库的常用操作,参考书籍《Pandas Cookbook》,内容干货,推荐下载!movie get_dtype_counts# output the number of columns with each specific data type:
movie. select_dtypes(include['int ]).head(# select only integer columns
movie. filter(1ike=' facebook').head()#1ike参数表示包含此
实例如下所示:
from pandas import *
from random import *
df = DataFrame(columns=('lib', 'qty1', 'qty2'))#生成空的pandas表
for i in range(5):#插入一行
df.loc[i] = [randint(-1,1) for n in range(3)]
print df
以上这篇python实现在pandas.DataFrame添加一行就是小编分享给大家的全部内容了,希望能给大家一个参