GridSearch(Key gkey, MP params, Map<String, Object[]> hyperSearch) {
super(
Key.<Grid>make("GridSearch_" + modelName() + Key.rand()),
gkey,
modelName() + " Grid Search");
_params = params;
_hyperSearch = hyper2doubles(hyperSearch);
// Count of models in this search
int work = 1;
for (double hparms[] : _hyperSearch) work *= hparms.length;
_total_models = work;
// Check all parameter combos for validity
double[] hypers = new double[_hyperSearch.length];
// FIXME: this expect finite space!
for (int[] hidx = new int[_hyperSearch.length]; hidx != null; hidx = nextModel(hidx)) {
ModelBuilder mb = getBuilder(params, hypers(hidx, hypers));
if (mb.error_count() > 0) throw new IllegalArgumentException(mb.validationErrors());
}
}
