def build(): ts_index = time_series_factory() ts_h5 = h5_file_for_index(ts_index) ts = TimeSeries() ts_h5.load_into(ts) ts_h5.close() data_shape = ts.data.shape result_shape = (data_shape[2], data_shape[2], data_shape[1], data_shape[3]) result = numpy.zeros(result_shape) for mode in range(data_shape[3]): for var in range(data_shape[1]): data = ts_h5.data[:, var, :, mode] data = data - data.mean(axis=0)[numpy.newaxis, 0] result[:, :, var, mode] = numpy.cov(data.T) covariance = Covariance(source=ts, array_data=result) op = operation_factory() covariance_db = CovarianceIndex() covariance_db.fk_from_operation = op.id covariance_db.fill_from_has_traits(covariance) covariance_h5_path = h5.path_for_stored_index(covariance_db) with TimeSeriesH5(covariance_h5_path) as f: f.store(ts) session.add(covariance_db) session.commit() return covariance_db
def build(): time_series_index = time_series_index_factory() time_series = h5.load_from_index(time_series_index) data = numpy.random.random((10, 10)) covariance = graph.Covariance(source=time_series, array_data=data) op = operation_factory() covariance_index = CovarianceIndex() covariance_index.fk_from_operation = op.id covariance_index.fill_from_has_traits(covariance) covariance_h5_path = h5.path_for_stored_index(covariance_index) with CovarianceH5(covariance_h5_path) as f: f.store(covariance) covariance_index = dao.store_entity(covariance_index) return covariance_index