#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]);
covariance::Online<algorithmFPType, covariance::fastCSR> algorithm;
algorithm.parameter.outputMatrixType = covariance::correlationMatrix;
for(size_t i = 0; i < nBlocks; i++)
{
CSRNumericTable *dataTable = createSparseTable<float>(datasetFileNames[i]);
algorithm.input.set(covariance::data, CSRNumericTablePtr(dataTable));
algorithm.compute();
}
algorithm.finalizeCompute();
covariance::ResultPtr res = algorithm.getResult();
printNumericTable(res->get(covariance::correlation), "Correlation matrix (upper left square 10*10) :", 10, 10);
printNumericTable(res->get(covariance::mean), "Mean vector:", 1, 10);
return 0;
}