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SAP HANA Predictive Analysis Library (PAL)

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Name Data Type Default Value Description Dependency<br />

GUESS_STATES integer 1 If employing ACF/<br />

PACF to guess initial<br />

ARMA models, besides<br />

user-defined model:<br />

Valid only when<br />

SEARCH_STRATEGY<br />

is 1.<br />

●<br />

●<br />

0: No guess. Besides<br />

user-defined<br />

model, uses<br />

states (2, 2) (1,<br />

1) m , (1, 0) (1, 0) m ,<br />

and (0, 1) (0, 1) m<br />

meanwhile as<br />

starting states.<br />

1: Guesses starting<br />

states taking<br />

advantage of<br />

ACF/PACF.<br />

MAX_SEARCH_ITERA­<br />

TIONS<br />

integer<br />

(MAX_P+1)*<br />

(MAX_Q+1)*<br />

(MAX_SEASONAL_P<br />

+1)*<br />

The maximum iterations<br />

for searching optimal<br />

ARMA states.<br />

Valid only when<br />

SEARCH_STRATEGY<br />

is 1.<br />

(MAX_SEASONAL_Q<br />

+1)<br />

Note<br />

In practice, the ARMA model (0,0) (0,0) m , that is, white noise, is not actually calculated.<br />

Output Table (Model Table)<br />

Table 260:<br />

Table Column Column Data Type Description<br />

Result 1st column Varchar or nvarchar Name<br />

2nd column Varchar or nvarchar Value<br />

Constraint<br />

The minimum length is<br />

50.<br />

The table must be a<br />

column table. The minimum<br />

length of each<br />

unit (row) is 1024.<br />

Examples<br />

Assume that:<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 />

344 P U B L I C<br />

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

<strong>PAL</strong> Functions

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