Pandas数据分析工具 02-进阶篇

import numpy as np

np.arange(16)

np.arange(16).reshape((4,4))

#快速创建DataFrame
data=DataFrame(np.arange(16).reshape((4,4)),
              index=["Ohio","Colorado","Utah","New York"],
              columns=["one","two","three","four"])
data

#删除行数据
data.drop(["Colorado","Ohio"])

#删除列
data.drop("two",axis=1)