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The goal is to evaluate three classifiers intending to identify gender (male/female) given the height and...

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Basic Math

The goal is to evaluate three classifiers intending toidentify gender (male/female) given the height and weight. Theevaluation is to be based on the following dataset:

GenderHeight (cm)Weight (kg)
Male14860
Male14966
Female15060
Male15162
Male16172

The three classifiers to be evaluatedare:
C1: Anyone with height over 150cm is male; all others arefemale
C2: Everyone is male
C3: Classify using a 1-nearest neighbor classifier trained on thefollowing dataset:

Male14961
Female14961
Male15370

Calculate the following metrics for theclassifiers:
-Accuracy
-Error rate
-Precision of identifying males
-Recall of identifying males
-F1-score of identifying males

Complete the following table with youranswers.

AccuracyError RatePrecisionRecallF1-Score
C1
C2
C3

Answer & Explanation Solved by verified expert
3.9 Ratings (778 Votes)
For C1 classifier anyone above height 150cm is male all othersare female the predictions are as per below tableWe will use below matrix and formulas to calculate the metricsof the classifierAccuracy TPTNTPFPFNTNError Rate FPFNTPFPFNTNPrecision TPTPFPRecall TPTPFNF1 Score    See Answer
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