#include "daal.h"
#include "service.h"
using namespace std;
using namespace daal;
using namespace daal::algorithms;
typedef float algorithmFPType;
const size_t nBlocks = 4;
const string datasetFileNames[] =
{
"../data/online/covcormoments_csr_1.csv",
"../data/online/covcormoments_csr_2.csv",
"../data/online/covcormoments_csr_3.csv",
"../data/online/covcormoments_csr_4.csv"
};
int main(int argc, char *argv[])
{
checkArguments(argc, argv, 4, &datasetFileNames[0], &datasetFileNames[1], &datasetFileNames[2], &datasetFileNames[3]);
pca::Online<> algorithm;
algorithm.parameter.covariance = services::SharedPtr<covariance::Online<algorithmFPType, covariance::fastCSR> >
(new covariance::Online<algorithmFPType, covariance::fastCSR>());
for(size_t i = 0; i < nBlocks; i++)
{
CSRNumericTablePtr dataTable(createSparseTable<float>(datasetFileNames[i]));
algorithm.input.set(pca::data, CSRNumericTablePtr(dataTable));
algorithm.compute();
}
algorithm.finalizeCompute();
pca::ResultPtr result = algorithm.getResult();
printNumericTable(result->get(pca::eigenvalues), "Eigenvalues:");
printNumericTable(result->get(pca::eigenvectors), "Eigenvectors:");
return 0;
}