Internal function for multiple DEoptim runs
.fit_mix2_core(
x,
family = c("lognormal", "normal"),
lower = NULL,
upper = NULL,
NP = 100,
itermax = 10000,
reltol = 5e-06,
steptol = 50,
F = 0.8,
CR = 0.9,
strategy = 2,
parallelType = 0,
packages = c("stats"),
parVar = NULL,
n_runs = 20,
quiet = 2,
par_init = NULL,
pgtol = 1e-08
)