Supplement 1. R script and resulting output for estimating the potential surface described in Eq. 3 with data on elk during ATV treatment days.

Rcode.txt (MD5: 3a4be4656cbeaf094a3f6d4e6dfebba6)

The R-code included shows how the linear mixed model lme may be used to estimate the coefficients in Eq. 8 in the main text necessary for evaluating the potential surface in Eq. 7 with results given in Figs. 5 and 6.