In this article we will look at a supervised machine learning algorithm called Logistic Regression Classifier for multi-class classification .; Author: pi19404; Updated: 29 Sep 2014; Section: Algorithms & Recipes; Chapter: General Programming; Updated: 29 Sep 2014
Sensitivity (also called recall rate in some fields) measures the proportion of actual positives which are correctly identified as such (e.g. the percentage of sick people who are correctly identified as having the condition). Specificity measures the proportion of negatives which are correctly identified (e.g. the percentage of healthy people who are correctly identified as not having the condition).