AWS Machine Learning Specialty: Know These Math Formulae Before Exam with Solved Numerical Questions!
Formulae Cheat Sheet to Prepare for Machine Learning Specialty Remember how to write Confusion Matrix Know how to write confusion matrix when Actual and Predicted are swapped Write down both versions of confusion matrix in a rough sheet provided as soon as you start exam Basic Formulae for Classification Precision, Recall and Specificity $$ Precision = Positive Prediction Value (PPV) = \frac{TP}{TP+FP} $$ $$ Recall = Sensitivity = True Positive Rate (TPR) = \frac{TP}{TP+FN} $$ $$ Specificity = True Negative Rate (TNR) = \frac{TN}{TN+FP} $$...