SAP HANA Predictive Analysis Library (PAL)

Name Data Type Default Value Description
MAX_COMPONENTS Integer Variable number Specifies the number of
components to be retained.
Value range: 0 < MAX_COM­
PONENTS ≤ variable number
of original data
Output Table
Table 340:
Table Column Column Data Type Description Constraint
Projection 1st column
Columns
Integer
Double
Data item ID
Transformed data
item
Make sure the output
table has enough columns
to hold the output
data. The column
size of output data depends
on the
MAX_COMPONENTS
parameter.
Example
Assume that:
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●
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DM_PAL is a schema belonging to USER1; and
USER1 has been assigned the AFLPM_CREATOR_ERASER_EXECUTE role; and
USER1 has been assigned the AFL__SYS_AFL_AFLPAL_EXECUTE or
AFL__SYS_AFL_AFLPAL_EXECUTE_WITH_GRANT_OPTION role.
Table PAL_PCA_LOADINGS_TBL and table PAL_PCA_SCALING_INFO_TBL are output of PCA in the
previous example.
DROP TYPE PAL_PCAPROJ_DATA_T;
DROP TYPE PAL_PCAPROJ_CONTROL_T;
DROP TYPE PAL_PCAPROJ_SCORES_T;
CREATE TYPE PAL_PCAPROJ_DATA_T AS TABLE("ID" INTEGER, "X1" DOUBLE, "X2" DOUBLE,
"X3" DOUBLE, "X4" DOUBLE, "X5" DOUBLE, "X6" DOUBLE);
CREATE TYPE PAL_PCAPROJ_CONTROL_T AS TABLE("NAME" VARCHAR(50), "INTARGS"
INTEGER, "DOUBLEARGS" DOUBLE, "STRINGARGS" VARCHAR(100));
CREATE TYPE PAL_PCAPROJ_SCORES_T AS TABLE("ID" INTEGER, "Comp1" DOUBLE, "Comp2"
DOUBLE, "Comp3" DOUBLE, "Comp4" DOUBLE, "Comp5" DOUBLE, "Comp6" DOUBLE);
DROP TABLE PAL_PCAPROJ_DATA_TBL;
DROP TABLE PAL_PCAPROJ_CONTROL_TBL;
DROP TABLE PAL_PCAPROJ_SCORES_TBL;
DROP TABLE PAL_PCAPROJ_PDATA_TBL;
CREATE COLUMN TABLE PAL_PCAPROJ_DATA_TBL LIKE PAL_PCAPROJ_DATA_T;
CREATE COLUMN TABLE PAL_PCAPROJ_CONTROL_TBL LIKE PAL_PCAPROJ_CONTROL_T;
CREATE COLUMN TABLE PAL_PCAPROJ_SCORES_TBL LIKE PAL_PCAPROJ_SCORES_T;
CREATE COLUMN TABLE PAL_PCAPROJ_PDATA_TBL("POSITION" INTEGER, "SCHEMA_NAME"
VARCHAR(100), "TYPE_NAME" VARCHAR(100), "PARAMETER_TYPE" VARCHAR(100));
INSERT INTO PAL_PCAPROJ_PDATA_TBL VALUES(1, 'DM_PAL', 'PAL_PCAPROJ_DATA_T',
'IN');
INSERT INTO PAL_PCAPROJ_PDATA_TBL VALUES(2, 'DM_PAL', 'PAL_PCAPROJ_CONTROL_T',
'IN');
464 P U B L I C
SAP HANA Predictive Analysis Library (PAL)
PAL Functions