All Questions
5 questions
2
votes
0
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165
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Is better to use a multiclass classifier or a set of binary classifiers?
I have to build a general method to perform multiclass classification. The number of class in the target variable is not fixed (it is probably in a range between 3 and 10).
I would like to know if it ...
- 213
2
votes
0
answers
639
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Naive Bayes - Good for Binary Data?
I have 92 observations with 92 variables. Every observation is a binary outcome (0=no, 1=yes), indicating if that observation co-occurs with a given feature in the feature set. I have 18 classes which ...
- 585
4
votes
3
answers
2k
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Can a nuisance multi-class classifier do better than binary classifier?
This is rather a theoretical question in order to save the trouble in trying to do empirical testing and is part of a bet, so I hope I am right...
Say there are M classes in the data BUT you want to ...
- 461
1
vote
1
answer
3k
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Transform multiclass classification to binary - benefits?
I have 400 instances which must be categorized into 4 classes. Using WEKA, I tried out a couple of multiclass classifiers like J48 and Random Forests, but never made it above Kappa 0.6 and ~65% ...
- 634
1
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0
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697
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Binary Classification of Multiple Groups
I've ran across a type of classification problem that I don't think fits into the traditional multi-class framework. Just wanted to run it across you guys to see if you had any ideas. So
Lets say we ...
- 2,471