Skip to main content
. 2018 Apr 4;11:224. doi: 10.1186/s13071-018-2781-0

Fig. 4.

Fig. 4

Rootogram [89] comparing the fit of Poisson regression and negative-binomial regression. Left panel negative-binomial, right panel Poisson. The negative-binomial fit shows marked reductions in over-fit and under-fit, especially for counts of zero and counts of 1