x Object of class sdmEvaluate
names Optional, the x-axis label for the group of data (e.g., 'Absence', 'Presence')
... Additional arguments that can be passed to boxplot
References
Naimi, B., Araujo, M.B. (2016) sdm: a reproducible and extensible R platform for species distribution modelling, Ecography, DOI: 10.1111/ecog.01881