The R-package nmixgof provides tools to assess goodness of fit for binomial N-mixture models fitted using the unmarked package. The goodness of fit methods are detailed in Knape et al. (2018).
Knape et al. 2018. Sensitivity of binomial N-mixture models to overdispersion: the importance of assessing model fit. Methods in Ecology and Evolution, 9:2102-2114. ().
nmixgof is available from CRAN and can be installed in R through
install.packages("nmixgof")
Alternatively, nmixgof can be installed from github using:
# install.packages("devtools")
::install_github("jknape/nmixgof") devtools