All Questions
4 questions
5
votes
1
answer
587
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Are imbalanced data problems solvable? [closed]
I am working as a data scientist for the past 2 years where I have worked on problems related to binary classification, revenue prediction etc.
In the past two years, I have had 2 problems that ...
- 2,655
0
votes
1
answer
152
views
Data simulation using make_classification in Python
I have a question about data simulation in Python. I deal with the classification of imbalanced data and want to test the effectiveness of different methods on simulated data. I have seen in various ...
- 21
15
votes
3
answers
25k
views
How can I perform stratified sampling for multi-label multi-class classification?
I am asking this question for few reasons:
The dataset in hand is imbalanced
I used below code
...
4
votes
2
answers
458
views
How to choose best classifier for Low positive to negative class ratio in data (training, validation and real time)?
Positive class is ~4%. The class weight methods will not work as even if I balance the data while training by scaling positive class samples, in real time (or in test data), the distribution is ...
- 91