aic log likelihood akaike

Hi guys, Just wondered if you could shed some light on interpreting results of a mixture analyses using Akaike Information Criterion. I am trying to fit a model to my data to determine whether within the sample there are 2, 3 or 4 potential groupings. I have been using PAST software for...

Why am I getting negative A.I.C. scores? It is correct that negative A.I.C. sent up red flags for you as it may tell you that something went wrong in your analysis - as logically log-likelihoods (or AICs) cant really be negative, well at least, not theoretically or 'technically speaking'. In...