Comment Re:99.98% (Score 5, Informative) 121
It really means nothing. What does the 99.98% "accuracy" even refer to? For all we know, it could be the true negative rate (e.g. it correctly detects who is NOT a shoplifter 99.98% of the time).
At minimum, you need a "confusion matrix", you need False Positive, True Positive, False Negative, True Negative, to have a minimum of information to evaluate any prediction system.