False precision - PowerPoint PPT Presentation

CNI - 2014

3 Questions You Should Never Ask in Evaluation/ Assessment: … And a few you should!. Presenters (in order of appearance). Chris Bourg , Stanford University , mchris@ stanford.edu Josh ua Morrill , Morrill Solutions Research (MSR), joshua@ morrillsolutions.com

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It would be accurate to say that this presentation is presented by the .

Accuracy vs Precision. It would be accurate to say that this presentation is presented by the . However it would be more precise to provide more detail. For example, you could say that it is presented by an employee of

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Cross Validation False Negatives / Negatives

Cross Validation False Negatives / Negatives. ד&quot;ר אבי רוזנפלד. הגדרות. False Positives / Negatives. Confusion matrix 1. Confusion matrix 2. FN. Actual. Actual. FP. Predicted. Predicted. Precision (P) = 20 / 50 Recall (P) = 20 / 30. Example. Precision (A) = 50% (500/1000)

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264 views • 11 slides

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