Article Hao Wang · Mar 4, 2021 1m read What is accuracy, accuracy, recall Accuracy rate is a measure of our prediction results, and it is a measure of how many of the predicted positive samples are actually positive.The recall rate is for our original sample, and it shows how many positive examples in the sample were correctly predicted.Accuracy = Predicted correctly/AllIf we want to be able to retrieve as much content as possible, this is the pursuit of "recall ratio", namely A/(A+C), the bigger the better. #Caché 3 0 0 183