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Questions tagged [xgboost-classifier]

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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 ...
heroMhf's user avatar
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 ...
Juan Felipe Salamanca Lozano's user avatar
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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 ...
Excentricitet's user avatar
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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 ...
Neo's user avatar
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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 ...
shivani's user avatar
  • 140
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. ...
Vjs's user avatar
  • 13