hello, i want to differentiate of L with respect to b when:
L= k*ln (k/(k+mu)) + sum(y) * ln (1-(k/mu+k)) #(negative binomial ln likelihood) and ln(mu/(mu+k)) = a+bx #link function how can i do it in R? thank you. _________________ Best Regards Niloofar.Javanrouh Ph.D Student of BioStatistics [[alternative HTML version deleted]]
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