//------------------------------------------------------------------------------
void svm_model::print() const {
std::cout << "n classes = " << n_class() << " n sv = " << size()
<< " n dims = " << n_dims() << std::endl;
std::cout << "Support vectors: " << std::endl;
for (size_t i = 0; i != sv.size(); ++i) {
for (int j = 0; j != n_dims(); ++j)
std::cout << sv[i][j] << " ";
std::cout << std::endl;
}
std::cout << "Support vector coefficients: " << std::endl;
for (size_t i = 0; i != sv_coef.size(); ++i) {
for (int j = 0; j != size(); ++j)
std::cout << sv_coef[i][j] << " ";
std::cout << std::endl;
}
std::cout << "Rho: " << std::endl;
for (size_t i = 0; i != rho.size(); ++i)
std::cout << rho[i] << " ";
std::cout << std::endl;
if (!probA.empty()) {
std::cout << "Probabilities A: " << std::endl;
for (size_t i = 0; i != probA.size(); ++i)
std::cout << probA[i] << " ";
std::cout << std::endl;
std::cout << "Probabilities B: " << std::endl;
for (size_t i = 0; i != probB.size(); ++i)
std::cout << probB[i] << " ";
std::cout << std::endl;
}
}
//--------------------------------------------------------------------------------
int svm_model::persistent_size() const
{
stringstream b;
b << n_class() << " "
<< size() << " "
<< n_dims() << " ";
int n = b.str().size();
n += sv.size() * n_dims() * sizeof(float) + 1;
{
stringstream b2;
for (size_t i = 0; i < sv_coef.size(); ++i) {
for (int j = 0; j < size(); ++j)
b2 << sv_coef[i][j] << " ";
}
n += b2.str().size();
}
{
stringstream b2;
b2 << rho << " ";
n += b2.str().size();
}
{
stringstream b2;
b2 << label << " ";
n += b2.str().size();
}
{
stringstream b2;
b2 << n_sv << " ";
n += b2.str().size();
}
{
stringstream b2;
b2 << probA << " ";
n += b2.str().size();
}
{
stringstream b2;
b2 << probB << " ";
n += b2.str().size();
}
{
stringstream b2;
b2 << w << " ";
n += b2.str().size();
}
return n;
}
//------------------------------------------------------------------------------
void svm_model::save(std::ostream &outStream) const {
outStream << n_class() << " " << size() << " " << n_dims() << " ";
for (auto &elem : sv)
nupic::binary_save(outStream, elem, elem + n_dims());
outStream << " ";
for (auto &elem : sv_coef)
for (int j = 0; j < size(); ++j)
outStream << elem[j] << " ";
outStream << rho << ' ' << label << ' ' << n_sv << ' ' << probA << ' '
<< probB << ' ' << w << ' ';
}
//--------------------------------------------------------------------------------
void svm_model::save(std::ostream& outStream) const
{
outStream << n_class() << " "
<< size() << " "
<< n_dims() << " ";
for (size_t i = 0; i < sv.size(); ++i)
nta::binary_save(outStream, sv[i], sv[i] + n_dims());
outStream << " ";
for (size_t i = 0; i < sv_coef.size(); ++i)
for (int j = 0; j < size(); ++j)
outStream << sv_coef[i][j] << " ";
outStream << rho << ' '
<< label << ' '
<< n_sv << ' '
<< probA << ' '
<< probB << ' '
<< w << ' ';
}
