what is the aicc what is the aicac does aicac mean negative is aica positive or negative what are the aicc values what is aicc? what is the negative aicc what is negative aicc what is aicc is acaike information criterion negative? when is aicc negative? what is negative of aicc why is aica positive why is the aica negative how can aic be positive what is the difference between aic and aicc in an aik can a mixed model be a negative aic akaike feedback criteria what makes a aicc negative what is aicc