3.2.9 SpamBase数据集

SpamBase是入门级的垃圾邮件分类训练集,其主页如图3-11所示。

图3-11 SpamBase主页

SpamBase的数据不是原始的邮件内容而是已经特征化的数据,对应的特征是统计的关键字以及特殊符号的词频,一共58个属性,其中最后一个是垃圾邮件的标记位。

特征属性举例如图3-12所示。

图3-12 SpamBase数据特征举例

数据来源为4601封邮件,其中1813封为垃圾邮件,数据内容举例如下:


0,0.64,0.64,0,0.32,0,0,0,0,0,0,0.64,0,0,0,0.32,0,1.29,1.93,0,0.96,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0.778,0,0,3.756,61,278,1 0.21,0.28,0.5,0,0.14,0.28,0.21,0.07,0,0.94,0.21,0.79,0.65,0.21,0.14,0.14,0.07,0.28,3.47,0,1.59,0,0.43,0.43,0,0,0,0,0,0,0,0,0,0,0,0,0.07,0,0,0,0,0,0,0,0,0,0,0,0,0.132,0,0.372,0.18,0.048,5.114,101,1028,1

SpamBase对应网址为:http://archive.ics.uci.edu/ml/datasets/Spambase