Classification Model Evaluation Metrics
Which metric is commonly used to evaluate classification models and represents the ratio of correctly predicted positive instances to all positive instances?
درجہ بندی کے ماڈلز کا اندازہ لگانے کے لیے عام طور پر کون سا میٹرک استعمال کیا جاتا ہے اور تمام مثبت مثالوں کے لیے صحیح پیش گوئی کی گئی مثبت مثالوں کے تناسب کی نمائندگی کرتا ہے؟
Answer: Recall
Explanation
- The metric that is commonly used to evaluate classification models and represents the ratio of correctly predicted positive instances to all positive instances is recall.
- Recall is a measure of a classifier’s completeness, and it is also known as sensitivity, hit rate, or true positive rate (TPR).
- The formula for recall is the number of true positives divided by the sum of true positives and false negatives.
