quantiles_batch.cpp

/* file: quantiles_batch.cpp */
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/*
!  Content:
!    C++ example of computing quantiles
!******************************************************************************/

#include "daal.h"
#include "service.h"

using namespace daal;
using namespace daal::algorithms;
using namespace daal::data_management;
using namespace std;

/* Input data set parameters */
string datasetFileName = "../data/batch/quantiles.csv";

int main(int argc, char *argv[])
{
    checkArguments(argc, argv, 1, &datasetFileName);

    /* Initialize FileDataSource<CSVFeatureManager> to retrieve the input data from a .csv file */
    FileDataSource<CSVFeatureManager> dataSource(datasetFileName, DataSource::doAllocateNumericTable, DataSource::doDictionaryFromContext);

    /* Retrieve the data from the input file */
    dataSource.loadDataBlock();

    /* Create algorithm objects to compute quantiles using the default method */
    quantiles::Batch<> algorithm;

    /* Set input objects for the algorithm */
    algorithm.input.set(quantiles::data, dataSource.getNumericTable());

    /* Compute quantiles */
    algorithm.compute();

    /* Get the computed quantiles */
    services::SharedPtr<quantiles::Result> res = algorithm.getResult();

    printNumericTable(res->get(quantiles::quantiles), "Quantiles");

    return 0;
}