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https://issues.apache.org/jira/browse/MAHOUT-857?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13141353#comment-13141353
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Grant Ingersoll commented on MAHOUT-857:
----------------------------------------
Here's the new confusion matrix:
{quote}
=======================================================
Summary
-------------------------------------------------------
Correctly Classified Instances : 5137 68.2023%
Incorrectly Classified Instances : 2395 31.7977%
Total Classified Instances : 7532
=======================================================
Confusion Matrix
-------------------------------------------------------
a b c d e f g h i j
k l m n o p q r s t
u <--Classified as
0 76 2 0 0 1 3 0 3 0
1 4 4 19 16 70 3 6 28 83
0 | 319 a = alt.atheism
0 45 55 25 20 92 24 5 6 2
0 5 71 11 13 7 1 0 5 2
0 | 389 b = comp.graphics
0 12 281 25 16 20 2 2 4 0
0 2 8 3 5 4 0 0 4 6
0 | 394 c = comp.os.ms-windows.misc
0 4 34 246 18 15 11 2 4 0
0 1 47 3 2 2 0 0 3 0
0 | 392 d = comp.sys.ibm.pc.hardware
0 4 10 39 253 4 12 3 5 3
0 0 29 9 8 2 0 0 4 0
0 | 385 e = comp.sys.mac.hardware
0 4 33 1 2 314 8 0 3 2
1 4 5 3 7 5 0 0 2 1
0 | 395 f = comp.windows.x
0 1 2 14 9 1 336 1 2 0
0 1 15 1 4 3 0 0 0 0
0 | 390 g = misc.forsale
0 2 1 1 2 4 18 259 37 6
0 0 28 5 15 4 2 0 11 1
0 | 396 h = rec.autos
0 2 3 3 0 1 6 13 344 1
0 2 6 0 6 6 1 0 3 1
0 | 398 i = rec.motorcycles
0 2 0 0 0 6 6 1 1 338
16 0 11 5 2 2 0 0 5 2
0 | 397 j = rec.sport.baseball
0 2 3 0 1 0 3 1 4 22
348 0 2 0 2 4 0 0 4 3
0 | 399 k = rec.sport.hockey
0 9 3 0 1 3 2 0 4 3
1 310 15 1 11 13 5 1 14 0
0 | 396 l = sci.crypt
0 12 6 17 12 8 9 7 6 2
0 9 269 2 19 10 1 0 4 0
0 | 393 m = sci.electronics
0 4 0 1 1 5 16 9 9 2
0 1 29 270 12 9 2 0 19 7
0 | 396 n = sci.med
0 4 1 0 2 8 4 0 1 1
0 1 9 5 342 5 1 1 6 3
0 | 394 o = sci.space
0 4 3 1 0 2 3 2 5 0
0 1 5 13 6 301 0 1 6 45
0 | 398 p = soc.religion.christian
0 4 2 0 0 0 2 2 5 2
1 6 6 4 5 7 283 3 24 8
0 | 364 q = talk.politics.guns
0 1 0 0 0 2 1 0 5 4
0 2 3 1 5 14 6 286 39 7
0 | 376 r = talk.politics.mideast
0 0 1 0 0 1 1 0 1 1
1 4 1 8 5 10 91 0 179 6
0 | 310 s = talk.politics.misc
0 13 1 1 0 0 3 1 1 1
0 0 1 6 15 46 16 1 12 133
0 | 251 t = talk.religion.misc
0 0 0 0 0 0 0 0 0 0
0 0 0 0 0 0 0 0 0 0
0 | 0 u = DEFAULT
Default Category: DEFAULT: 20
{quote}
> Rework 20 NewsGroup shell script example to include SGD Example
> ---------------------------------------------------------------
>
> Key: MAHOUT-857
> URL: https://issues.apache.org/jira/browse/MAHOUT-857
> Project: Mahout
> Issue Type: Improvement
> Reporter: Grant Ingersoll
> Attachments: MAHOUT-857.patch, MAHOUT-857.patch
>
>
> We have build-20news-bayes.sh that runs our NB stuff on 20 news groups. We
> also have an SGD example that works on 20 news groups, but no script to run
> it. I'm going to rename build-20news-bayes.sh to classify-20news.sh and
> incorporate the two.
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