22 from daal.algorithms
import covariance
23 from daal.data_management
import FileDataSource, DataSourceIface
25 utils_folder = os.path.realpath(os.path.abspath(os.path.dirname(os.path.dirname(__file__))))
26 if utils_folder
not in sys.path:
27 sys.path.insert(0, utils_folder)
28 from utils
import printNumericTable
30 DAAL_PREFIX = os.path.join(
'..',
'data')
33 dataFileName = os.path.join(DAAL_PREFIX,
'batch',
'covcormoments_dense.csv')
35 if __name__ ==
"__main__":
38 dataSource = FileDataSource(
40 DataSourceIface.doAllocateNumericTable,
41 DataSourceIface.doDictionaryFromContext
45 dataSource.loadDataBlock()
48 algorithm = covariance.Batch()
51 algorithm.input.set(covariance.data, dataSource.getNumericTable())
54 res = algorithm.compute()
57 printNumericTable(res.get(covariance.covariance),
"Covariance matrix:")
58 printNumericTable(res.get(covariance.mean),
"Mean vector:")