Confused by The Confusion Matrix Part 2: ‘Accuracy’ is But One of Many Measures of Accuracy…

In the previous post, I explained the concept of interpreting a confusion matrix by clarifying all the different terms that actually mean the same thing. Unfortunately, the confusion does not end there. If you finished reading the previous post, you should have probably come to the realisation that a simple Hit Rate or False Alarm … Continue reading Confused by The Confusion Matrix Part 2: ‘Accuracy’ is But One of Many Measures of Accuracy…

Confused by The Confusion Matrix: What’s the difference between Hit Rate, True Positive Rate, Sensitivity, Recall and Statistical Power?

If you tried to answer the question in the title, you'll be disappointed to find out that it is actually a trick question - there is essentially no difference in the listed terms. Just like the issue mentioned in ANCOVA and Moderation, different terms are often used for the same thing, especially when they belong … Continue reading Confused by The Confusion Matrix: What’s the difference between Hit Rate, True Positive Rate, Sensitivity, Recall and Statistical Power?