pandas is an open source, BSD-licensed library providing high-performance, easy-to-use data structures and data analysis tools for the Python programming language.html
pandas is a NumFOCUS sponsored project. This will help ensure the success of development of pandas as a world-class open-source project, and makes it possible to donate to the project.python
pandas = python Data Analysis .數組
Pandas是一個強大的分析結構化數據的工具集;它的使用基礎是Numpy(提供高性能的矩陣運算);用於數據挖掘和數據分析,同時也提供數據清洗功能。數據結構
DataFrame是Pandas中的一個表格型的數據結構,包含有一組有序的列,每列能夠是不一樣的值類型(數值、字符串、布爾型等),DataFrame即有行索引也有列索引,能夠被看作是由Series組成的字典。ide
它是一種相似於一維數組的對象,是由一組數據(各類NumPy數據類型)以及一組與之相關的數據標籤(即索引)組成。僅由一組數據也可產生簡單的Series對象工具
This is a short introduction to pandas, geared mainly for new users. You can see more complex recipes in the Cookbook.性能
Customarily, we import as follows:ui
In [1]: import numpy as np In [2]: import pandas as pd