r, M. and Bolker, B. M. (2017). glmmTMB balances speed and flexibility among packages for zero-inflated generalized linear mixed modeling. <em>The R Journal</em>, <b>9</b>(2), 378--400.</p>
<p>Kristensen, K., Nielsen, A., Berg, C. W., Skaug, H. and Bell, B. (2016). TMB: Automatic differentiation and Laplace approximation. <em>Journal of Statistical Software</em>, <b>70</b>, 1--21.</p>
<p>Millar, R. B. (2011). <em>Maximum Likelihood Estimation and Inference: With Examples in R, SAS and ADMB.</em> Wiley, New 