Pandas，让Python像R一样处理数据，但快

What is pandasPandas是python中用于处理矩阵样数据的功能强大的包，提供了R中的dataframe和vector的操作，使得我们在使用python时，也可以方便、简单、快捷、高效地进行矩阵数据处理。具体介绍详见http://pandas.pydata.org/。A fast and efficient DataFrame object for data manipulation with integrated indexing;Tools for reading and writing data between in-memory data structures and different formats: CSV and text files, Microsoft Excel, SQL databases, and the fast HDF5 format;Intelligent data alignment and integrated handling of missing data: gain automatic label-based alignment in computations and easily manipulate messy data into an orderly form;Flexible reshaping and pivoting of data sets;Intelligent label-based slicing, fancy indexing, and subsetting of large data sets;Columns can be inserted and deleted from data str ………………………………