48 from daal.algorithms
import covariance
50 utils_folder = os.path.realpath(os.path.abspath(os.path.dirname(os.path.dirname(__file__))))
51 if utils_folder
not in sys.path:
52 sys.path.insert(0, utils_folder)
53 from utils
import printNumericTable, createSparseTable
55 DAAL_PREFIX = os.path.join(
'..',
'data')
60 os.path.join(DAAL_PREFIX,
'online',
'covcormoments_csr_1.csv'),
61 os.path.join(DAAL_PREFIX,
'online',
'covcormoments_csr_2.csv'),
62 os.path.join(DAAL_PREFIX,
'online',
'covcormoments_csr_3.csv'),
63 os.path.join(DAAL_PREFIX,
'online',
'covcormoments_csr_4.csv'),
66 if __name__ ==
"__main__":
69 algorithm = covariance.Online()
71 for i
in range(nBlocks):
72 dataTable = createSparseTable(datasetFileNames[i])
75 algorithm.input.set(covariance.data, dataTable)
81 res = algorithm.finalizeCompute()
83 printNumericTable(res.get(covariance.covariance),
"Covariance matrix (upper left square 10*10) :", 10, 10)
84 printNumericTable(res.get(covariance.mean),
"Mean vector:", 1, 10)