for above built binary classifiertp and tp+fn + henceprecision / specificity specificityin contrast to recallmay be defined as the number of negatives returned by our ml model we can easily calculate it by confusion matrix with the help of following formulaspecificity tn tn fp for the above built binary classifiertn and tn+fp + henceprecision / various ml classification algorithms the followings are some important ml classification algorithmslogistic regression support vector machine (svmdecision tree naive bayes random forest we will be discussing all these classification algorithms in detail in further applications some of the most important applications of classification algorithms are as followsspeech recognition handwriting recognition biometric identification document classification