a3: Use base 2 instead of base e in nbm.py.

marklang1993 · Jun 30, 2017 · 2c87998 · 2c87998
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Showing 4 changed files with 12 additions and 12 deletions.
diff --git a/a3/assignment3_ChenLang.docx b/a3/assignment3_ChenLang.docx
diff --git a/a3/assignment3_ChenLang.pdf b/a3/assignment3_ChenLang.pdf
diff --git a/a3/nbm.py b/a3/nbm.py
@@ -185,8  185,8 @@ def list_top10(self):
         # calculate
         for attr_idx in result_idx:
             result_val[attr_idx] = abs(\
-            math.log(self.factors_pos[attr_idx].get_p_pos()) -\
-            math.log(self.factors_neg[attr_idx].get_p_pos()))
             math.log(self.factors_pos[attr_idx].get_p_pos(), 2) -\
             math.log(self.factors_neg[attr_idx].get_p_pos(), 2))
         # sort
         self.sort_idxval(result_idx, result_val)
         # print

diff --git a/a3/nbm_result.txt b/a3/nbm_result.txt
@@ -1,13  1,13 @@
-No. 0 : 3143 , 4.42487744454 , graphics
-No. 1 : 3 , 3.97443270622 , atheism
-No. 2 : 17 , 3.92791269058 , religion
-No. 3 : 426 , 3.85380471843 , moral
-No. 4 : 768 , 3.85380471843 , evidence
-No. 5 : 571 , 3.85380471843 , keith
-No. 6 : 563 , 3.82782923203 , atheists
-No. 7 : 212 , 3.78297866586 , god
-No. 8 : 74 , 3.74559113379 , bible
-No. 9 : 272 , 3.71660359692 , christian
 No. 0 : 3143 , 6.38374874578 , graphics
 No. 1 : 3 , 5.73389435561 , atheism
 No. 2 : 17 , 5.66678015975 , religion
 No. 3 : 426 , 5.55986495583 , moral
 No. 4 : 768 , 5.55986495583 , evidence
 No. 5 : 571 , 5.55986495583 , keith
 No. 6 : 563 , 5.52239025041 , atheists
 No. 7 : 212 , 5.45768456103 , god
 No. 8 : 74 , 5.40374575392 , bible
 No. 9 : 272 , 5.36192557822 , christian
 Test result:
 Pass / Fail :  629 / 78
 Accuracy:  88.9674681754