This is an introduction to pandas categorical data type, including a short comparison with R's factor. Categoricals are a pandas data type, which correspond to categorical variables in statistics: a variable, which can take on only a limited, and usu…
http://www.cnblogs.com/Azhu/p/4137131.html 这篇论文建议先看了上面这一遍,两篇作者是一样的,方法也一样,这一片论文与上面的不同点在于,使用的数据集是目录数据,即数据不能数字化,例如: An example of categorical attribute is Sex={fmale,female} or shape= {circle,rectangle. . .}. 论文方法一样,只是处理目录数据不同,获得聚类结果的选择方法如下: Type I…
10 Minutes to pandas This is a short introduction to pandas, geared mainly for new users. You can see more complex recipes in the Cookbook Customarily, we import as follows: In [1]: import pandas as pd In [2]: import numpy as np In [3]: import matplo…