All Questions
8 questions
1
vote
1
answer
48
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Incorporate known class likelihood (proportions, ratios, etc..) in the classification output
I'm working on the multi-class prediction problem, with 6 output classes. These represent different types of land cover. The classification model is pixel-based and I have extracted different ...
1
vote
0
answers
45
views
3 classes imbalanced and hierarchical classification
I need to classift a dataset with 3 classes:
A - 85% of the data
B - 10% of the data
C - 5% of the data
Where C is a subset of B.
What should be the best way to approach it?
- 57
2
votes
1
answer
2k
views
How to use time-series observations on multi-class classification problem?
I have a multi-class classification problem with time-series features. You can find an example series below. It shows the same series over time for different classes (actually, each line represents ...
- 63
0
votes
1
answer
191
views
Random forest hyperparameter to control misclassification
May I know what hyperparameter to tune for random forest classifier to control misclassification? I'm doing a 5-class classification problem and it turns out that most classes are been misclassified ...
- 283
0
votes
0
answers
686
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How to evaluate the model performance under multiclass random forest fitting?
I just use the code to run random forest for multiclass response. I binarize the output to apply the ROC score for model performance. Could someone can advice other methods for the performance ...
- 463
1
vote
3
answers
269
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Multiclass classification question
I am working on applying Random Forests to a multiclass classification problem, where I have a set of 11 predictor variables and a response that can take the values of "Yes", "No", and "Maybe". In my ...
- 1,705
11
votes
1
answer
8k
views
Maximum number of classes for RandomForest multiclass estimation
I have researched the internet|literature a lot on multiclass prediction to find out what is a realistic limit for the number of classes that can successfully be used for estimation when using a ...
- 111
6
votes
1
answer
385
views
Hierarchical decomposition of an imbalanced multiclass classification problem
I have a heavily imbalanced multiclass text classification problem: one class is very probable a priori (P), while the remaining four ones are about equally ...
- 613