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Questions tagged [binary-classification]

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4 votes
3 answers
261 views

Timing of applying random oversampling on the dataset

I tried to learn classification using machine learning algorithms. I went through Breast Cancer - EDA, Balancing and ML the notebook. In this notebook ...
Encipher's user avatar
  • 361
7 votes
1 answer
9k views

How to choose the right threshold for binary classification?

I am currently working on the titanic dataset from Kaggle. The data set is imbalanced with almost 61.5 % negative and 38.5 positive class. I divided my training dataset into 85% train and 15% ...
Joe's user avatar
  • 95
1 vote
1 answer
758 views

Improving roc auc score when accuracy is good

I have got a binary classification problem with large dataset of dimensions (1155918, 55) Also dataset is fairly balanced of 67% Class 0 , 33% Class 1. I am getting test accuracy of 73% in test set ...
Shubh's user avatar
  • 198