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LDAClassification
Tuning LDA
https://github.com/amritbhanu/LDADE-package
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Multi Goal Tuning
#8
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amritbhanu
closed
7 years ago
amritbhanu
commented
8 years ago
Experiment:
Tuned for Raw score(Jaccard) and F2score
With less than 30 Evaluations
Conclusions:
PROS:
Dramatic Feature Reduction
Better f2 score
Now we can conclude as well as good prediction.
With tuning, you find the right k, by automatic methods.
CONS
10 times more runtime
Results
Now Topics can be seen as well with 7 words (
https://github.com/ai-se/LDAClassification/blob/master/src/2016-10-11/Topics/Tuned/scifi.md
)
Datasets
k=10 with w=10 (default) (raw score/f2score)
k=20(manual tweaks)
k=40
k=80
SE6
(0.22, 0.52)
(0.22, 0.47)
(0.11, 0.80)
(0.11, 0.84)
SE0
(0.22, 0.93)
(0.33, 0.94)
(0.11, 0.93)
(0.22, 0.91)
photo
(0.22, 0.52)
(0.11, 0.61)
(0.22, 0.41)
(0.11, 0.42)
scifi
(0.44, 0.63)
(0.33, 0.75)
(0.22, 0.80)
(0.11, 0.87)
rpg
(0.11, 0.47)
(0.11, 0.23)
(0.11, 0.21)
(0.11, 0.24)
cs
(0.22, 0.40)
(0.44, 0.24)
(0.11, 0.29)
(0.11, 0.58)
diy
(0.22, 0.48)
(0.11, 0.49)
(0.11, 0.60)
(0.11, 0.60)
amritbhanu
commented
8 years ago
cdom selection
Experiment:
Conclusions:
PROS:
CONS
Results