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SAP HANA Predictive Analysis Library (PAL)

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Table 277:<br />

Table Column Column Data Type Description<br />

Output Parameter 1st column Varchar or nvarchar Name of related statistics.<br />

●<br />

●<br />

●<br />

●<br />

●<br />

●<br />

MSE: the statistics of<br />

MSE (Mean Squared Error)<br />

NUMBER_OF_ITERA­<br />

TIONS: the sum of numbers<br />

of iterations of<br />

both optimizers (simulated<br />

annealing and<br />

Nelder Mead)<br />

ALPHA/BETA/GAMMA:<br />

the optimal parameters<br />

or values set by user<br />

(For train-and-test<br />

scheme only) NUM­<br />

BER_OF_TRAINING: the<br />

size of time series used<br />

to train<br />

(For train-and-test<br />

scheme only) NUM­<br />

BER_OF_TESTING: the<br />

size of time series used<br />

to test<br />

(For train-and-test<br />

scheme only)<br />

TEST_MSE: the statistics<br />

of MSE calculated<br />

from the test data<br />

2nd column Double, varchar, or nvarchar Parameter values.<br />

Note: If you set the MODEL­<br />

SELECTION parameter to 1,<br />

this column data type should<br />

be varchar or nvarchar to<br />

output the best model name.<br />

Result 1st column Integer Index of timestamp<br />

2nd column Integer or double Result of smoothing forecast<br />

3rd column Double Error of every forecast value<br />

Example<br />

Assume that:<br />

●<br />

●<br />

●<br />

DM_<strong>PAL</strong> is a schema belonging to USER1; and<br />

USER1 has been assigned the AFLPM_CREATOR_ERASER_EXECUTE role; and<br />

USER1 has been assigned the AFL__SYS_AFL_AFL<strong>PAL</strong>_EXECUTE or<br />

AFL__SYS_AFL_AFL<strong>PAL</strong>_EXECUTE_WITH_GRANT_OPTION role.<br />

<strong>SAP</strong> <strong>HANA</strong> <strong>Predictive</strong> <strong>Analysis</strong> <strong>Library</strong> (<strong>PAL</strong>)<br />

<strong>PAL</strong> Functions P U B L I C 375

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