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secion 4.2.2 precision and recall using the same formula
john.watson@gmail.com
(10)
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Mar 22, 2017 @ 8:19 PM
#1
On page 69 ( 73 in the pdf) The formula for precision and recall are the same. But the text description indicates that these are slightly different concepts and should have a different formula.
Both show : tp / ( tp + fp )
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460365
(1)
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Mar 23, 2017 @ 3:42 PM
#2
Good Point John. Formula for Precision is correct.
For Recall is should be tp/(tp+fn)
I hope this will be corrected.
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Nishant Shukla
(52)
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Apr 5, 2017 @ 8:30 PM
#3
Thank you for catching this mistake! All fixed!
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467323
(1)
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May 9, 2017 @ 5:38 AM
#4
In V9 error again in recall formula.
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Nishant Shukla
(52)
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May 10, 2017 @ 1:07 AM
#5
You're right... It seems like Manning didn't update the figures to chapter 4. I'll check with them right away.
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