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geekoverdose

Work: R&D at the interconnection of machine intelligence/ML with mobility, sensor data, security, etc.
Spare time: sometimes writing posts for by blog at http://geekoverdose.wordpress.com.

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Top posts (115) All Questions Answers | Votes Newest

29 Cross-validation misuse (reporting performance for the best hyperparameter value) Jul 18 '16
15 What does the cost (C) parameter mean in SVM? Jul 25 '16
10 Classification/evaluation metrics for highly imbalanced data Jul 8 '16
9 Why does the CV estimate of Test Error Underestimate Actual Test Error? Jul 25 '16
8 How does cross-validation in train (caret) precisely work? Jun 16 '16
7 varying classification threshold to produce ROC curves. Jun 30 '16
6 Is overfitted model with higher AUC on test sample better than not overfitted one Jun 27 '16
5 How to select a range of dates in R? Jun 27 '16
5 Can I use output of classifier A as feature for classifier B? Jun 14 '16
5 How do I find co-linear variables in R May 17 '16
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