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

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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:
Gender Height (cm) Weight (kg)
Male 148 60
Male 149 66
Female 150 60
Male 151 62
Male 161 72
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:
Male 149 61
Female 149 61
Male 153 70
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.
Accuracy Error Rate Precision Recall F1-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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	Accuracy	Error Rate	Precision	Recall	F1-Score
C1
C2
C3

Gender	Height (cm)	Weight (kg)
Male	148	60
Male	149	66
Female	150	60
Male	151	62
Male	161	72