Similar to logisticRegressBeta, but returns a LogisticRes with useful stuff for statistical inference. If the last element of input is a floating point number instead of a range, it is used to specify the confidence interval calculated. Otherwise, the default of 0.95 is used.

References:

http://en.wikipedia.org/wiki/Wald_test

http://en.wikipedia.org/wiki/Akaike_information_criterion