49 from daal.algorithms
import covariance
50 from daal.algorithms
import pca
52 utils_folder = os.path.realpath(os.path.abspath(os.path.dirname(os.path.dirname(__file__))))
53 if utils_folder
not in sys.path:
54 sys.path.insert(0, utils_folder)
55 from utils
import printNumericTable, createSparseTable
57 DAAL_PREFIX = os.path.join(
'..',
'data')
60 dataFileName = os.path.join(DAAL_PREFIX,
'batch',
'covcormoments_csr.csv')
62 if __name__ ==
"__main__":
65 dataTable = createSparseTable(dataFileName)
68 algorithm = pca.Batch(fptype=np.float64, method=pca.correlationDense)
71 algorithm.parameter.covariance = covariance.Batch(fptype=np.float64, method=covariance.fastCSR)
74 algorithm.input.setDataset(pca.data, dataTable)
77 result = algorithm.compute()
80 printNumericTable(result.get(pca.eigenvalues),
"Eigenvalues:")
81 printNumericTable(result.get(pca.eigenvectors),
"Eigenvectors:")