We are often asked the question....'if you were using these tests to buy your own horses, which ones would you buy?" Not a bad question to ask....sort of like, put your money where your mouth is. The answer is actually one that we have researched quite extensively. In statistical terms it hovers around the measures of performance of sensitivity and specificity. We have talked about this before but sensitivity measures the proportion of actual positives which are correctly ide

A client asked me a question the other day which really struck home at what we are about here at Performance Genetics. After explaining how we look at horses and assess their chances of becoming a graded stakes winner, the client commented "ohh, so you are really about talent identification rather than classification...." I stopped for a minute and thought about what he was saying. Are we more interested in correctly classifying each horse, or are we more interested in identi