Thanks for the advice, and I've read the article
For clarification, please confirm this
As I specified before,
logistic A B C D E F G
est store A
logistic A B C D E F H I
lrtest a .
Model | Obs ll(null) ll(model) df AIC BIC
-------------+----------------------------------------------------------------
A | 1695 -556.4883 -311.149 9 640.298 689.2169
.. | 1695 -556.4883 -318.3306 10 656.6611 711.0155
------------------------------------------------------------------------------
Then . (the latter) is better as A - . < 0 ?