Classifying Spams Using Spark MLlib

spambase.DOCUMENTATION
1. Title: SPAM E-mail Database

2. Sources:
(a) Creators: Mark Hopkins, Erik Reeber, George Forman, Jaap Suermondt
Hewlett-Packard Labs, 1501 Page Mill Rd., Palo Alto, CA 94304
(b) Donor: George Forman (gforman at nospam hpl.hp.com) 650-857-7835
(c) Generated: June-July 1999

3. Past Usage:
(a) Hewlett-Packard Internal-only Technical Report. External forthcoming.
(b) Determine whether a given email is spam or not.
(c) ~7% misclassification error.
False positives (marking good mail as spam) are very undesirable.
If we insist on zero false positives in the training/testing set,
20-25% of the spam passed through the filter.

4. Relevant Information:
The “spam” concept is diverse: advertisements for products/web
sites, make money fast schemes, chain letters, pornography…
Our collection of spam e-mails came from our postmaster and
individuals who had filed spam. Our collection of non-spam
e-mails came from filed work and personal e-mails, and hence
the word ‘george’ and the area code ‘650’ are indicators of
non-spam. These are useful when constructing a personalized
spam filter. One would either have to blind such non-spam
indicators or get a very wide collection of non-spam to
generate a general purpose spam filter.

For background on spam:
Cranor, Lorrie F., LaMacchia, Brian A. Spam!
Communications of the ACM, 41(8):74-83, 1998.

5. Number of Instances: 4601 (1813 Spam = 39.4%)

6. Number of Attributes: 58 (57 continuous, 1 nominal class label)

7. Attribute Information:
The last column of ‘spambase.data’ denotes whether the e-mail was
considered spam (1) or not (0), i.e. unsolicited commercial e-mail.
Most of the attributes indicate whether a particular word or
character was frequently occuring in the e-mail. The run-length
attributes (55-57) measure the length of sequences of consecutive
capital letters. For the statistical measures of each attribute,
see the end of this file. Here are the definitions of the attributes:

48 continuous real [0,100] attributes of type word_freq_WORD
= percentage of words in the e-mail that match WORD,
i.e. 100 * (number of times the WORD appears in the e-mail) /
total number of words in e-mail. A “word” in this case is any
string of alphanumeric characters bounded by non-alphanumeric
characters or end-of-string.

6 continuous real [0,100] attributes of type char_freq_CHAR
= percentage of characters in the e-mail that match CHAR,
i.e. 100 * (number of CHAR occurences) / total characters in e-mail

1 continuous real [1,…] attribute of type capital_run_length_average
= average length of uninterrupted sequences of capital letters

1 continuous integer [1,…] attribute of type capital_run_length_longest
= length of longest uninterrupted sequence of capital letters

1 continuous integer [1,…] attribute of type capital_run_length_total
= sum of length of uninterrupted sequences of capital letters
= total number of capital letters in the e-mail

1 nominal {0,1} class attribute of type spam
= denotes whether the e-mail was considered spam (1) or not (0),
i.e. unsolicited commercial e-mail.

8. Missing Attribute Values: None

9. Class Distribution:
Spam 1813 (39.4%)
Non-Spam 2788 (60.6%)

Attribute :
Min: Max: Average: Std.Dev: Coeff.Var_%:
1 0 4.54 0.10455 0.30536 292
2 0 14.28 0.21301 1.2906 606
3 0 5.1 0.28066 0.50414 180
4 0 42.81 0.065425 1.3952 2130
5 0 10 0.31222 0.67251 215
6 0 5.88 0.095901 0.27382 286
7 0 7.27 0.11421 0.39144 343
8 0 11.11 0.10529 0.40107 381
9 0 5.26 0.090067 0.27862 309
10 0 18.18 0.23941 0.64476 269
11 0 2.61 0.059824 0.20154 337
12 0 9.67 0.5417 0.8617 159
13 0 5.55 0.09393 0.30104 320
14 0 10 0.058626 0.33518 572
15 0 4.41 0.049205 0.25884 526
16 0 20 0.24885 0.82579 332
17 0 7.14 0.14259 0.44406 311
18 0 9.09 0.18474 0.53112 287
19 0 18.75 1.6621 1.7755 107
20 0 18.18 0.085577 0.50977 596
21 0 11.11 0.80976 1.2008 148
22 0 17.1 0.1212 1.0258 846
23 0 5.45 0.10165 0.35029 345
24 0 12.5 0.094269 0.44264 470
25 0 20.83 0.5495 1.6713 304
26 0 16.66 0.26538 0.88696 334
27 0 33.33 0.7673 3.3673 439
28 0 9.09 0.12484 0.53858 431
29 0 14.28 0.098915 0.59333 600
30 0 5.88 0.10285 0.45668 444
31 0 12.5 0.064753 0.40339 623
32 0 4.76 0.047048 0.32856 698
33 0 18.18 0.097229 0.55591 572
34 0 4.76 0.047835 0.32945 689
35 0 20 0.10541 0.53226 505
36 0 7.69 0.097477 0.40262 413
37 0 6.89 0.13695 0.42345 309
38 0 8.33 0.013201 0.22065 1670
39 0 11.11 0.078629 0.43467 553
40 0 4.76 0.064834 0.34992 540
41 0 7.14 0.043667 0.3612 827
42 0 14.28 0.13234 0.76682 579
43 0 3.57 0.046099 0.22381 486
44 0 20 0.079196 0.62198 785
45 0 21.42 0.30122 1.0117 336
46 0 22.05 0.17982 0.91112 507
47 0 2.17 0.0054445 0.076274 1400
48 0 10 0.031869 0.28573 897
49 0 4.385 0.038575 0.24347 631
50 0 9.752 0.13903 0.27036 194
51 0 4.081 0.016976 0.10939 644
52 0 32.478 0.26907 0.81567 303
53 0 6.003 0.075811 0.24588 324
54 0 19.829 0.044238 0.42934 971
55 1 1102.5 5.1915 31.729 611
56 1 9989 52.173 194.89 374
57 1 15841 283.29 606.35 214
58 0 1 0.39404 0.4887 124

This file: ‘spambase.DOCUMENTATION’ at the UCI Machine Learning Repository
http://www.ics.uci.edu/~mlearn/MLRepository.html

spambase.data

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0 0.53 0.53 0 0.53 0 0 0 0 0 0 0.53 0 0 0 0.53 0 1.06 1.6 0 1.06 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 0.087 0 0.877 0 0 3.4 61 187 1

0 0.44 0.89 0 0.44 0 0 0 0 0 0 0.44 0 0 0 0.44 0 0.89 2.24 0 1.34 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0.44 0 0 0 0 0.073 0 0.807 0 0 3.849 121 281 1

0 0.46 0.46 0 0.46 0.46 0.46 0 0 0 0.46 0.46 0 0 0 0.92 0 0.92 2.76 0 1.38 0 0.46 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0.46 0 0 0 0 0.46 0 0 0 0 0 0 0.298 0.223 0 2.156 13 110 1

0 0 0.48 0 1.44 0 0.48 0 0 0 0 0.96 0 0 0 0.48 0.96 0 2.41 0 2.41 0 0.48 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0.48 0 0 0 0 0.081 0 0.486 0.243 0 5.13 78 236 1

0 0.94 0.94 0 0 0 0 0 0 0.94 0 0 0 0 0 2.83 0 0 0.94 0 0.94 0 1.88 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 1.366 0 0 26.5 245 318 1

0 0 1.77 0 0 0 0 0 0 0 0 0.59 0 0 0 0 0 0.59 4.14 0 1.18 0 0 0 0 0 0 0 0 0 0 0 0.59 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0.165 0 0.165 0.082 0 2.325 16 100 1

0.75 0.18 0.37 0 0.18 0.12 0 0.25 0.75 0.31 0.25 1.51 0.31 0.37 0 0.37 0.44 0.12 2.96 0.69 1.26 0 0.44 0.75 0 0 0 0 0 0 0 0 0 0 0 0 0.12 0 0 0.12 0 0 0.06 0 0 0 0 0 0 0.085 0.053 0.437 0.234 0.064 3.675 45 1066 1

0 0.41 0.2 0 1.67 0.2 0.2 0 0 1.04 0.2 0 0.2 0 0 0.83 0.2 0 2.09 0 0.62 0 0.62 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0.41 0.62 0 0.2 0 0 0 0.132 0 0 1.65 15 175 1

0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 5.26 5.26 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 0 0 0.338 0 1.666 5 10 1

0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 5.55 0 1.11 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 1.431 0 0 4.071 29 114 1

0 0 0.23 0 0 0 0.23 0 0 0.95 0 0.47 0 0.23 0 0.23 0.95 0 2.38 0 1.9 0 0 0.47 0 0 0 0 0 0 0 0 0 0 0 0.23 0.23 0 0 0 0 0 0 0 0 0 0 0 0 0.123 0 0.197 0 0.024 5.038 280 519 1

0 0.72 0.72 0 0 0 0 1.45 0 0 0.72 0 0 0 0 2.91 0 0.72 1.45 0 0 0 0.72 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 0.123 0 0.495 0 0 1.525 8 61 1

0 0 1.28 0 1.28 1.28 0 0 0 0 0 0 0 0 0 1.28 0 0 2.56 0 1.28 0 1.28 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 0.181 0 0.724 0 0 3.071 9 43 1

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 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0.278 0 0.834 0 0 5.13 27 118 1

0 0.46 0.46 0 1.4 0 0.46 1.86 0 0.93 0.46 0 0 0 0 1.86 0 0 0.93 0.46 1.4 0 0 0.46 0 0 0 0 0 0 0 0 0 0 0 0 1.4 0 0 0.46 0 0 0 0 0 0 0 0 0 0.071 0 0.571 0.214 0 4.63 64 213 1

0 0 0.38 0 1.15 0.76 0 0 0 0 0 0.38 0.38 0 0 0.38 0 0.38 2.69 0 2.3 0 0 0.38 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 0.122 0 0.061 0.061 0 1.775 20 158 1

0 0.79 0 0 0 0 0 0 0 0 0 0 0 0 0 0.79 1.58 1.58 3.96 0 1.58 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0.79 0 0 0 0 0.268 0 0.268 0 0 2.815 26 107 1

0.06 0.06 0.47 0 0.4 0 0 0 0.67 0.06 0 0.33 0.13 0 0 0.2 0 0 1.14 0.13 1.21 0 0 0.06 0 0 0 0 0.06 0 0 0 0 0 0 0 0 0 0 0 0 0.13 0 0 0.06 0 0 0 0.021 0.107 0 0.096 0.085 0.01 3.353 144 845 1

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 9.09 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1.153 0 0 0 0 3.8 23 38 1

0 0.56 1.12 0 2.24 0 1.12 0 0 0 0 0.56 0.56 0 0 0.56 2.8 0 3.93 0 1.68 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 0.25 0 1.083 0.333 0 4.974 140 194 1

0.47 0.31 0.47 0 0.05 0.13 0.05 0.26 0.44 0.76 0.26 0.97 0.58 1.26 0 0.26 0.44 0 3.25 0 1.5 0 1.05 0.34 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0.02 0 0 0 0.004 0.066 0 0.322 0.764 0.159 6.1 193 3038 1

0.59 0.44 0.29 0 0.14 0.03 0.03 0.14 0.56 0.67 0.29 0.67 0.59 1.23 0.03 0.22 0.44 0.07 3.43 0 1.53 0 0.59 0.63 0 0 0 0 0 0 0 0 0 0 0.03 0 0 0 0 0 0 0 0 0 0.07 0 0 0 0 0.075 0 0.613 0.532 0.137 7.3 763 2453 1

0.59 0.44 0.29 0 0.14 0.03 0.03 0.14 0.56 0.67 0.29 0.67 0.59 1.23 0.03 0.22 0.44 0.07 3.43 0 1.53 0 0.59 0.63 0 0 0 0 0 0 0 0 0 0 0.03 0 0 0 0 0 0 0 0 0 0.07 0 0 0 0 0.075 0 0.612 0.531 0.137 7.3 763 2453 1

0.46 0 0.46 0 0 0 0 0.46 0 0 0 1.38 0 0 2.31 0 0.46 0.46 2.77 0 2.31 0 1.38 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0.46 0 0 0 0 0 0 0 0 0 0.494 0 0.082 0.823 0 3.4 12 102 1

0 0 0.46 0 0 0 0.46 0 0 0 0.46 0 0 0 0 0 0 1.4 1.87 0 0 0.93 0.46 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0.46 0 0 0 0 0 0 0 0 0 2.676 32 91 1

0 0.35 0.7 0 0.35 0 0 0 0 0 0 0.7 0 0 0 1.05 0 0.7 2.11 0 1.4 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0.35 0 0 0 0 0.122 0 1.284 0 0 3.639 61 313 1

0 0.43 0.43 0 0.43 0 0 0 0 0 0 0.43 0 0 0 0.43 0 0.86 1.29 0 0.86 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 0.147 0 0.736 0 0 2.81 61 222 1

0 0 0 0 0 0.6 0 0 0 1.21 0 0 0 0 0 0.6 0 0 1.21 0 0 0 0.6 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 0.207 0.518 0.414 0.31 0 0 4.897 17 191 1

1.24 0.41 1.24 0 0 0 0 0 0 0 0 0.41 0 0 0 0.41 0 0.82 3.73 0 1.24 0 0 0.41 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0.41 0 0 0 0 0.065 0 0.461 0.527 0 3.166 19 114 1

0 0 0 0 4.25 0 0.7 0 0 0 0 0 0 0 0 2.83 0 0 4.96 0 1.41 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 0.38 0 0 1.153 3 30 1

0 0 0.64 0 0 0.64 0 0 0 0 0 0 0 0 0 0.64 0 0 2.59 0 0 0 0.64 0 0 0 0 0 0 0 0 0 0 0 0 0 0.64 0 0 0 0 0 0 0 0 0 0 0 0.094 0.189 0.284 0.662 0 0 10.068 131 292 1

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 0 0 0 0 0 3.33 0 0 0 0 0 0 0 0 0 0 0 0.305 0.611 0 1.529 0 0 5.5 22 66 1

0 0 0.64 0 0 0.64 0 0 0 0 0 0 0 0 0 0.64 0 0 2.59 0 0 0 0.64 0 0 0 0 0 0 0 0 0 0 0 0 0 0.64 0 0 0 0 0 0 0 0 0 0 0 0.094 0.189 0.284 0.662 0 0 10.068 131 292 1

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 0 0 0 0 0 3.33 0 0 0 0 0 0 0 0 0 0 0 0.305 0.611 0 1.529 0 0 5.5 22 66 1

0 0 0.64 0 0 0.64 0 0 0 0 0 0 0 0 0 0.64 0 0 2.59 0 0 0 0.64 0 0 0 0 0 0 0 0 0 0 0 0 0 0.64 0 0 0 0 0 0 0 0 0 0 0 0.094 0.189 0.284 0.662 0 0 10.068 131 292 1

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 0 0 0 0 0 3.33 0 0 0 0 0 0 0 0 0 0 0 0.305 0.611 0 1.529 0 0 5.5 22 66 1

0 0 0