Skip to main content

All Questions

Filter by
Sorted by
Tagged with
0 votes
0 answers
58 views

Improving Recall and Precision of the Minority Class with XGBoost to Maximize Profits in Unbalanced Data

The company is interested in identifying profitable customers who are likely to purchase a ticket when given a promotional offer. My goal is to build a model to predict whether a customer will buy a ...
ster111's user avatar
1 vote
1 answer
3k views

scale_pos_weight effect in XGBClassifier

I can't find a satisfactory explanation about the effect of scale_pos_weight on an XGBClassifier. It says everywhere to set it to Count of negatives / Count of ...
Anatole's user avatar
  • 181
0 votes
0 answers
514 views

XGBoost failing on highly imbalanced data!

I am working on a classification problem, where I am trying to predict a fraud login. The data is highly imbalanced i.e. 0 = non fraud logins , 1 = fraud logins 0 : 4538076 1 : 365 I have been trying ...
Aditi's user avatar
  • 1
4 votes
2 answers
4k views

High Recall but too low Precision result in imbalanced data

I was training a model using XGBoost Classifier on a heavy imbalanced database with 232:1 of binary class. Because my training data contains 750k rows and 320 features (after doing many feature ...
zonna's user avatar
  • 73
0 votes
1 answer
2k views

Hypertune xgboost to dealing with imbalanced dataset

My training data has extremely class imbalanced {0:872525,1:3335} with 100 features. I use xgboost to build classification model with bayessian optimisation to hypertune the model in range ...
zonna's user avatar
  • 73