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Results tagged with model-evaluations
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user 111822
This tag is meant to be used for questions related to how to evaluate a model performance, not only based on standard metrics, but also in the context of real use case applications. What is a good model might depend on many factors to take into account, to eventually get really useful data science applications.
4
votes
1
answer
2k
views
Choose ROC/AUC vs. precision/recall curve?
I am trying to get a clear understanding on various classification metrics, including knowing when to choose ROC/AUC as opposed to opting for the Precision/Recall curve.
I am reading Aurélien Géron's …
- 299
3
votes
2
answers
2k
views
Uncertainty about shape of ROC curve
I am working on a binary classification and the plotted ROC curves that I am using for evaluation together with AUC, have seemed strange to me. Here is an example.
I understand that ROC is a visual r …
- 299
4
votes
Uncertainty about shape of ROC curve
Oops. I found the reason!
The shape of ROC returned by the roc_curve depends on the number of unique values that are input to roc_curve. In my case I was getting only 3 points on the ROC curve. The mi …
- 299