All Questions
4 questions
2
votes
2
answers
317
views
Influence of imbalanced feature on prediction
I want to use XGB regression. the dataframe is coneptually similar to this table:
...
- 299
1
vote
2
answers
625
views
Weights for unbalanced classification
I'm working with an unbalanced classification problem, in which the target variable contains:
np.bincount(y_train)
array([151953, 13273])
i.e. ...
- 303
1
vote
2
answers
115
views
Determining threshold in an area with very few samples of positive label
I have a binary classification task where I want to either keep or discard samples. I have about a million samples, and about 1% should be kept. I want to discard as much as possible, but discarding ...
- 11
3
votes
0
answers
436
views
Adjust class weights due to class imbalance and class importance Multi class classification XGBoost
With respect to this question and the answer given by @Esmailian, Would anyone be able to let me know if Class B has a higher importance or the positive class ( i.e. it needs to have a higher ...
- 153