[R] Code for quasi-likelihood binomial estimation

[Gordon Fredericks]

Hello,

Has anyone written up code to estimate for example a simple logit using 
quasi-likelihood?  I know that glm() already does this, but I'd like to do 
some tinkering with the variance function beyond what glm() allows.  I've 
scanned online sources and everyone seems to use glm().  Will take a crack 
at it if necessary but have zero experience w/q-likelihood and not that much 
with coding; thought I'd check here first so as not to reinvent the wheel, 
perhaps learn a bit from what others have already done.

Thanks,
GF

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