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Questions tagged [xgboost-classifier]

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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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174 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
  • 11
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1 answer
117 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
170 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
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0 answers
33 views

How do I automatically evaluate an objective_plot after BayesSearchCV to find the *theoretical* optimal model?

I did a hyper optimization for a XGBClassifier using BayesSearchCV. I increased the kappa ...
Jack Sabbath's user avatar
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0 answers
291 views

How do the predict() and predict_proba() for xgbClassifier() work?

I am using xgboost classifier for a binary classification problem. I used the predict() to get the class predictions (0/1) but I also used the predict_proba() method to get the class probabilities (my ...
user62198's user avatar
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