10+ Idea Infinity IT Solutions Interview Questions and Answers

Various metrics for evaluating a classification model

• Accuracy: overall correctness of the model

• Precision: proportion of true positive predictions among all positive predictions

• Recall: proportion of true positive predictions among all actual positives

• F1 Score: harmonic mean of precision and recall

• ROC AUC: area under the receiver operating characteristic curve

• Confusion Matrix: table showing true positives, true negatives, false positives, and false negatives