22 from daal.algorithms
import covariance
24 utils_folder = os.path.realpath(os.path.abspath(os.path.dirname(os.path.dirname(__file__))))
25 if utils_folder
not in sys.path:
26 sys.path.insert(0, utils_folder)
27 from utils
import printNumericTable, createSparseTable
29 DAAL_PREFIX = os.path.join(
'..',
'data')
34 os.path.join(DAAL_PREFIX,
'online',
'covcormoments_csr_1.csv'),
35 os.path.join(DAAL_PREFIX,
'online',
'covcormoments_csr_2.csv'),
36 os.path.join(DAAL_PREFIX,
'online',
'covcormoments_csr_3.csv'),
37 os.path.join(DAAL_PREFIX,
'online',
'covcormoments_csr_4.csv'),
40 if __name__ ==
"__main__":
43 algorithm = covariance.Online()
45 for i
in range(nBlocks):
46 dataTable = createSparseTable(datasetFileNames[i])
49 algorithm.input.set(covariance.data, dataTable)
55 res = algorithm.finalizeCompute()
57 printNumericTable(res.get(covariance.covariance),
"Covariance matrix (upper left square 10*10) :", 10, 10)
58 printNumericTable(res.get(covariance.mean),
"Mean vector:", 1, 10)