[2021] INFS4205/7205 Advanced Techniques for High Dimensional Data - Final Exam - Q4 Precision and Recall
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QUESTION 4
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Given 60 data points in the database, 40 of which are positive and 20 of which are negative, we want to retrieve all the positive ones. However, the system returns 30 results, and 20 of them are positive. What are the precision and recall of this result? [Hint: Precision = True Positive/(TruePositive + False Positive), Recall = True Positive/(True Positive + FalseNegative)]
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Precision=0.5, Recall=0.67
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Precision=0.67, Recall=0.5
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Precision=0.5, Recall=0.5
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Precision=0.67, Recall=0.33
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