Questions tagged [xgboost-classifier]
The xgboost-classifier tag has no usage guidance.
6 questions
1
vote
3
answers
383
views
Feature importance score for a feature that contains mostly 0's in XGBoost
I have read that the feature importance scores are calculated based on how a split on that feature improves performance.
I have a binary classification dataset and am running XGBoost classifier on it. ...
- 13
1
vote
1
answer
114
views
XGB predict_proba estimates don't match sum of leaves
When using an XGB model in the context of binary classification, I observed that the test estimates given by predict_proba were close but not equal to the results I ...
0
votes
1
answer
19
views
Poor performance for two classer in a multi class classification
I have a multi class classification With 5 classes(tabular data), I used xgboost model, the model score well for 3 classes but poor for the raimainig classes(2 classes), I tried up-sampling and class ...
- 3
0
votes
1
answer
200
views
XGBoost with objective as binary:logistic returning only binary value
I am training an xgboost model for binary classification using objective as 'binary:logistic'. The model should predict probability but it is outputting either 0 or 1. I want the model to output the ...
- 140
0
votes
0
answers
15
views
a few records for training, and one record after training
I try to make some credit score task. I stuck in conceputal problem.
There is:
train_data (62 columns, 10339239 rows, 1250000 unique ID values [0 - 1249999]([min-max] ID values))
test_data (62 ...
0
votes
0
answers
367
views
Making ML Model (XGBoost) Output Smoother
I am using XGBoost for a classification problem. The model has multiple inputs and a probability as output.
For simplicity's sake, let's say the model only has one continous input and the function to ...
- 11