GMatrixFactorization* InstantiateMatrixFactorization(GRand& rand, GArgReader& args)
{
if(args.size() < 1)
ThrowError("The number of intrinsic dims must be specified for this algorithm");
size_t intrinsicDims = args.pop_uint();
GMatrixFactorization* pModel = new GMatrixFactorization(intrinsicDims, rand);
while(args.next_is_flag())
{
if(args.if_pop("-regularize"))
pModel->setRegularizer(args.pop_double());
else
ThrowError("Invalid option: ", args.peek());
}
return pModel;
}
GMatrixFactorization* GRecommenderLib::InstantiateMatrixFactorization(GArgReader& args)
{
if(args.size() < 1)
throw Ex("The number of intrinsic dims must be specified for this algorithm");
size_t intrinsicDims = args.pop_uint();
GMatrixFactorization* pModel = new GMatrixFactorization(intrinsicDims);
while(args.next_is_flag())
{
if(args.if_pop("-regularize"))
pModel->setRegularizer(args.pop_double());
else if(args.if_pop("-miniters"))
pModel->setMinIters(args.pop_uint());
else if(args.if_pop("-decayrate"))
pModel->setDecayRate(args.pop_double());
else if(args.if_pop("-nonneg"))
pModel->nonNegative();
else if(args.if_pop("-clampusers"))
{
GMatrix tmp;
tmp.loadArff(args.pop_string());
size_t offset = args.pop_uint();
pModel->clampUsers(tmp, offset);
}
else if(args.if_pop("-clampitems"))
{
GMatrix tmp;
tmp.loadArff(args.pop_string());
size_t offset = args.pop_uint();
pModel->clampItems(tmp, offset);
}
else
throw Ex("Invalid option: ", args.peek());
}
return pModel;
}
