Data Warehousing and Data Mining20795 marksEvaluating accuracy
What is confusion matrix? Discuss various classification measures along with their mathematical formulae.
What is confusion matrix? Discuss various classification measures along with their mathematical formulae. [5]
A Confusion Matrix is an N×N matrix used for evaluating the performance of a classification model, where N is the number of target classes. For a binary classification problem, we have a 2×2 matrix: Predicted: Positive Predicted: Negative --------- Actual: Positive TP FN Actual: Negative FP TN Te...