# Interpreting AIC and deviance values [duplicate]

I have fitted a glm Poisson to my frequency data and obtained the result:


Null deviance: 657.49 on 583 degrees of freedom

Residual deviance: 575.00 on 571 degrees of freedom

AIC: 1534.4

Is the high AIC value and relatively high residual deviance a serious matter to be taken into consideration? Thanks

• Thanks but still it is mentioned there the lower the better AIC that what i wanted to confirm here an also on the residual deviance which has not been discussed there @ Andy Mar 1 '14 at 13:33
• What makes you assert that the AIC is high? I already explained to you on a previous question that that residual deviance is not high. Do you think the answer will be different on different days? Mar 1 '14 at 15:05