df0                     Simulate deterministic dynamics of a N
                        competing species
df_col                  Simulate deterministic dynamics of N patches
                        with dispersal
df_col_loss             Simulate deterministic dynamics of N patches
                        with dispersal and loss
res_scale               Resilience scaling function
sd_scale                Sigma scaling function
symdyn                  Simulate time series for a single species in a
                        single patch
symdynN                 Simulate time series for N species or patches
var_scale               Variance scaling function
xt                      Simulate deterministic dynamics of a single
                        species
xt2fun                  Unbiased stability paramter estimation
xtN                     Simulate deterministic dynamics
