SAP HANA Predictive Analysis Library (PAL)

Table Column Column Data Type Description
2nd column Double Mean value of each variable
3rd column Double Scale value of each variable
Example
Assume that:
●
●
●
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.
SET SCHEMA "DM_PAL";
DROP TYPE PAL_PCA_DATA_T;
DROP TYPE PAL_CONTROL_T;
DROP TYPE PAL_PCA_LOADINGS_T;
DROP TYPE PAL_PCA_LOADINGS_INFO_T;
DROP TYPE PAL_PCA_SCORES_T;
DROP TYPE PAL_PCA_SCALING_INFO_T;
DROP TABLE PAL_PCA_PDATA_TBL;
DROP TABLE #PAL_CONTROL_TBL;
DROP TABLE PAL_PCA_DATA_TBL;
DROP TABLE PAL_PCA_LOADINGS_TBL;
DROP TABLE PAL_PCA_LOADINGS_INFO_TBL;
DROP TABLE PAL_PCA_SCORES_TBL;
DROP TABLE PAL_PCA_SCALING_INFO_TBL;
CREATE TYPE PAL_PCA_DATA_T AS TABLE("ID" INTEGER, "X1" DOUBLE, "X2" DOUBLE, "X3"
DOUBLE, "X4" DOUBLE, "X5" DOUBLE, "X6" DOUBLE);
CREATE TYPE PAL_CONTROL_T AS TABLE("NAME" VARCHAR(50), "INTARGS" INTEGER,
"DOUBLEARGS" DOUBLE, "STRINGARGS" VARCHAR(100));
CREATE TYPE PAL_PCA_LOADINGS_T AS TABLE("PCID" VARCHAR(50), "X1_WEIGHT" DOUBLE,
"X2_WEIGHT" DOUBLE, "X3_WEIGHT" DOUBLE, "X4_WEIGHT" DOUBLE, "X5_WEIGHT" DOUBLE,
"X6_WEIGHT" DOUBLE);
CREATE TYPE PAL_PCA_LOADINGS_INFO_T AS TABLE("PCID" VARCHAR(50),"SDEV" DOUBLE,
"PROPORTION" DOUBLE, "CUM_PROPORTION" DOUBLE);
CREATE TYPE PAL_PCA_SCORES_T AS TABLE("ID" INTEGER, "Comp1" DOUBLE, "Comp2"
DOUBLE, "Comp3" DOUBLE, "Comp4" DOUBLE, "Comp5" DOUBLE, "Comp6" DOUBLE);
CREATE TYPE PAL_PCA_SCALING_INFO_T AS TABLE("ID" INTEGER, "MEAN_VECTOR" DOUBLE,
"SCALE_VECTOR" DOUBLE);
CREATE COLUMN TABLE PAL_PCA_PDATA_TBL("POSITION" INT, "SCHEMA_NAME"
NVARCHAR(256), "TYPE_NAME" NVARCHAR(256), "PARAMETER_TYPE" VARCHAR(7));
INSERT INTO PAL_PCA_PDATA_TBL VALUES(1, 'DM_PAL', 'PAL_PCA_DATA_T', 'IN');
INSERT INTO PAL_PCA_PDATA_TBL VALUES(2, 'DM_PAL', 'PAL_CONTROL_T', 'IN');
INSERT INTO PAL_PCA_PDATA_TBL VALUES(3, 'DM_PAL', 'PAL_PCA_LOADINGS_T', 'OUT');
INSERT INTO PAL_PCA_PDATA_TBL VALUES(4, 'DM_PAL', 'PAL_PCA_LOADINGS_INFO_T',
'OUT');
INSERT INTO PAL_PCA_PDATA_TBL VALUES(5, 'DM_PAL', 'PAL_PCA_SCORES_T', 'OUT');
INSERT INTO PAL_PCA_PDATA_TBL VALUES(6, 'DM_PAL', 'PAL_PCA_SCALING_INFO_T',
'OUT');
CALL SYS.AFLLANG_WRAPPER_PROCEDURE_DROP('DM_PAL','PAL_PCA_PROC');
CALL
SYS.AFLLANG_WRAPPER_PROCEDURE_CREATE('AFLPAL','PCA','DM_PAL','PAL_PCA_PROC',PAL_P
CA_PDATA_TBL);
CREATE COLUMN TABLE PAL_PCA_DATA_TBL LIKE PAL_PCA_DATA_T;
INSERT INTO PAL_PCA_DATA_TBL VALUES (1, 12, 52, 20, 44, 48, 16);
INSERT INTO PAL_PCA_DATA_TBL VALUES (2, 12, 57, 25, 45, 50, 16);
INSERT INTO PAL_PCA_DATA_TBL VALUES (3, 12, 54, 21, 45, 50, 16);
INSERT INTO PAL_PCA_DATA_TBL VALUES (4, 13, 52, 21, 46, 51, 17);
INSERT INTO PAL_PCA_DATA_TBL VALUES (5, 14, 54, 24, 46, 51, 17);
INSERT INTO PAL_PCA_DATA_TBL VALUES (6, 22, 52, 25, 54, 58, 26);
460 P U B L I C
SAP HANA Predictive Analysis Library (PAL)
PAL Functions