V1          V2          V3             V4
1                            |        SPAM      E-MAIL       DATABASE
2                            |                                       
3                            |          48  continuous           real
4                            |           =  percentage             of
5                            |        i.e.         100              *
6                            |       total      number             of
7                            |      string          of   alphanumeric
8                            |  characters          or end-of-string.
9                            |                                       
10                           |           6  continuous           real
11                           |           =  percentage             of
12                           |        i.e.         100              *
13                           |                                       
14                           |           1  continuous           real
15                           |           =     average         length
16                           |                                       
17                           |           1  continuous        integer
18                           |           =      length             of
19                           |                                       
20                           |           1  continuous        integer
21                           |           =         sum             of
22                           |           =       total         number
23                           |                                       
24                           |           1     nominal          {0,1}
25                           |           =     denotes        whether
26                           |        i.e. unsolicited     commercial
27                           |                                       
28                           |         For        more   information,
29                           |         UCI     Machine       Learning
30                          1,          0.           |          spam,
31             word_freq_make: continuous.                           
32          word_freq_address: continuous.                           
33              word_freq_all: continuous.                           
34               word_freq_3d: continuous.                           
35              word_freq_our: continuous.                           
36             word_freq_over: continuous.                           
37           word_freq_remove: continuous.                           
38         word_freq_internet: continuous.                           
39            word_freq_order: continuous.                           
40             word_freq_mail: continuous.                           
41          word_freq_receive: continuous.                           
42             word_freq_will: continuous.                           
43           word_freq_people: continuous.                           
44           word_freq_report: continuous.                           
45        word_freq_addresses: continuous.                           
46             word_freq_free: continuous.                           
47         word_freq_business: continuous.                           
48            word_freq_email: continuous.                           
49              word_freq_you: continuous.                           
50           word_freq_credit: continuous.                           
51             word_freq_your: continuous.                           
52             word_freq_font: continuous.                           
53              word_freq_000: continuous.                           
54            word_freq_money: continuous.                           
55               word_freq_hp: continuous.                           
56              word_freq_hpl: continuous.                           
57           word_freq_george: continuous.                           
58              word_freq_650: continuous.                           
59              word_freq_lab: continuous.                           
60             word_freq_labs: continuous.                           
61           word_freq_telnet: continuous.                           
62              word_freq_857: continuous.                           
63             word_freq_data: continuous.                           
64              word_freq_415: continuous.                           
65               word_freq_85: continuous.                           
66       word_freq_technology: continuous.                           
67             word_freq_1999: continuous.                           
68            word_freq_parts: continuous.                           
69               word_freq_pm: continuous.                           
70           word_freq_direct: continuous.                           
71               word_freq_cs: continuous.                           
72          word_freq_meeting: continuous.                           
73         word_freq_original: continuous.                           
74          word_freq_project: continuous.                           
75               word_freq_re: continuous.                           
76              word_freq_edu: continuous.                           
77            word_freq_table: continuous.                           
78       word_freq_conference: continuous.                           
79                char_freq_;: continuous.                           
80                char_freq_(: continuous.                           
81                char_freq_[: continuous.                           
82                char_freq_!: continuous.                           
83                char_freq_$: continuous.                           
84                  char_freq_                                       
85 capital_run_length_average: continuous.                           
86 capital_run_length_longest: continuous.                           
87   capital_run_length_total: continuous.                           
            V5                                               V6
1   ATTRIBUTES                                              (in
2                                                              
3      [0,100]                                       attributes
4        words                                               in
5      (number                                               of
6        words                                               in
7   characters                                          bounded
8                                                              
9                                                              
10     [0,100]                                       attributes
11  characters                                               in
12     (number                                               of
13                                                             
14     [1,...]                                        attribute
15          of                                    uninterrupted
16                                                             
17     [1,...]                                        attribute
18     longest                                    uninterrupted
19                                                             
20     [1,...]                                        attribute
21      length                                               of
22          of                                          capital
23                                                             
24       class                                        attribute
25         the                                           e-mail
26     e-mail.                                                 
27                                                             
28         see                                             file
29 Repository: http://www.ics.uci.edu/~mlearn/MLRepository.html
30    non-spam                                          classes
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87                                                             
                       V7               V8                         V9     V10
1                  .names          format)                                   
2                                                                            
3                      of             type             word_freq_WORD        
4                     the           e-mail                       that   match
5                   times              the                       WORD appears
6                 e-mail.                A                       word      in
7                      by non-alphanumeric                                   
8                                                                            
9                                                                            
10                     of             type             char_freq_CHAR        
11                    the           e-mail                       that   match
12                   CHAR      occurences)                          /   total
13                                                                           
14                     of             type capital_run_length_average        
15              sequences               of                    capital letters
16                                                                           
17                     of             type capital_run_length_longest        
18               sequence               of                    capital letters
19                                                                           
20                     of             type   capital_run_length_total        
21          uninterrupted        sequences                         of capital
22                letters               in                        the  e-mail
23                                                                           
24                     of             type                       spam        
25                    was       considered                       spam     (1)
26                                                                           
27                                                                           
28 spambase.DOCUMENTATION               at                        the        
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87                                                                           
          V11  V12     V13 V14
1                             
2                             
3                             
4       WORD,                 
5          in  the e-mail)   /
6        this case      is any
7                             
8                             
9                             
10                            
11      CHAR,                 
12 characters   in  e-mail    
13                            
14                            
15                            
16                            
17                            
18                            
19                            
20                            
21    letters                 
22                            
23                            
24                            
25         or  not    (0),    
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