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Results tagged with scikit-learn
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user 62466
For questions related to the Python's package scikit-learn (or sklearn).
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Why does KNN Model return 99% accuracy on dataset with default parameters?
First assess whether the accuracy is unreasonably high. You as the domain expert are the best arbiter of that. Keep in mind that a high accuracy is not always impossible. For example, 99% accuracy …
- 997
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votes
Why does GridSearchCV model give worse results despite same parameters used with base model
There are a number of possible reasons why this is the case. Here are a few things to check.
1. Was training and testing done on the same dataset for your baseline model?
2. Did you do cross validat …
- 997