This function performs likelihood ratio tests for use in model selection.
Usage
LRT(dat, fitComb, ID)
Arguments
dat
a (non-empty) data frame containing an ID column (see ID) and a column called "hb", which contains the bin heights used in model fitting.
fitComb
a (non-empty) data frame returned from the function makeFitComb.
ID
a (non-empty) string indicating the column dat and the column in fitComb containing the group ids, these column names must match.
Details
Performs a likelihood ratio test.
Value
Returns an object with the same information as was passed into the fitComb argument, but with additional columns G2 = the test statistic, p = the p value, and df = the degrees of freedom.