Supplement 1. R Scripting Language code used for data generation in simulations.

File List datgen_defs.R datgen_script.R wedge.R datgen.zip Description datgen_defs.r: This file contains the following functions: xgen() Generates random environmental values given a distribution ID and sample size. mugen() Generates mean values for a negative binomial distribution over a given environmental gradient. ygen() Generates random count data given an environmental gradient, distribution mean, and CV. datgen_script.r: This file generates random datasets as they were in this study. wedge.r: This file contains the following functions: rwedge() Takes random draws from a wedge-shaped pdf. dwedge() Reports the cdf from a wedge-shaped distribution given a quantile. datgen.zip: This zip file contains all the above files.