SAP HANA Predictive Analysis Library (PAL)

CREATE TYPE PAL_KMEANS_DATA_T AS TABLE(
"ID" INTEGER,
"V000" DOUBLE,
"V001" VARCHAR(2),
"V002" DOUBLE
);
DROP TYPE PAL_CONTROL_T;
CREATE TYPE PAL_CONTROL_T AS TABLE(
"NAME" VARCHAR (100),
"INTARGS" INTEGER,
"DOUBLEARGS" DOUBLE,
"STRINGARGS" VARCHAR (100)
);
DROP TYPE PAL_KMEANS_ASSIGNED_T;
CREATE TYPE PAL_KMEANS_ASSIGNED_T AS TABLE(
"ID" INTEGER,
"CLUSTER" INTEGER,
"DISTANCE" DOUBLE,
"SLIGHT_SILHOUETTE" DOUBLE
);
DROP TYPE PAL_KMEANS_CENTERS_T;
CREATE TYPE PAL_KMEANS_CENTERS_T AS TABLE(
"CLUSTER_ID" INTEGER,
"V000" DOUBLE,
"V001" VARCHAR(2),
"V002" DOUBLE
);
DROP TYPE PAL_KMEANS_SIL_CENTERS_T;
CREATE TYPE PAL_KMEANS_SIL_CENTERS_T AS TABLE(
"CLUSTER_ID" INTEGER,
"SLIGHT_SILHOUETTE" DOUBLE
);
DROP TYPE PAL_KMEANS_STATISTIC_T;
CREATE TYPE PAL_KMEANS_STATISTIC_T AS TABLE(
"NAME" VARCHAR(50),
"VALUE" DOUBLE
);
DROP TYPE PAL_KMEANS_MODEL_T;
CREATE TYPE PAL_KMEANS_MODEL_T AS TABLE(
"JID" INTEGER,
"JSMODEL" VARCHAR(5000)
);
DROP TABLE PAL_KMEANS_PDATA_TBL;
CREATE COLUMN TABLE PAL_KMEANS_PDATA_TBL("POSITION" INT, "SCHEMA_NAME"
NVARCHAR(256), "TYPE_NAME" NVARCHAR(256), "PARAMETER_TYPE" VARCHAR(7));
INSERT INTO PAL_KMEANS_PDATA_TBL VALUES (1, 'DM_PAL', 'PAL_KMEANS_DATA_T', 'IN');
INSERT INTO PAL_KMEANS_PDATA_TBL VALUES (2, 'DM_PAL', 'PAL_CONTROL_T', 'IN');
INSERT INTO PAL_KMEANS_PDATA_TBL VALUES (3, 'DM_PAL', 'PAL_KMEANS_ASSIGNED_T',
'OUT');
INSERT INTO PAL_KMEANS_PDATA_TBL VALUES (4, 'DM_PAL', 'PAL_KMEANS_CENTERS_T',
'OUT');
INSERT INTO PAL_KMEANS_PDATA_TBL VALUES (5, 'DM_PAL',
'PAL_KMEANS_SIL_CENTERS_T', 'OUT');
INSERT INTO PAL_KMEANS_PDATA_TBL VALUES (6, 'DM_PAL', 'PAL_KMEANS_STATISTIC_T',
'OUT');
INSERT INTO PAL_KMEANS_PDATA_TBL VALUES (7, 'DM_PAL', 'PAL_KMEANS_MODEL_T',
'OUT');
CALL "SYS".AFLLANG_WRAPPER_PROCEDURE_DROP('DM_PAL', 'PAL_KMEANS_PROC');
CALL "SYS".AFLLANG_WRAPPER_PROCEDURE_CREATE('AFLPAL', 'KMEANS', 'DM_PAL',
'PAL_KMEANS_PROC', PAL_KMEANS_PDATA_TBL);
DROP TABLE #PAL_CONTROL_TBL;
CREATE LOCAL TEMPORARY COLUMN TABLE #PAL_CONTROL_TBL(
"NAME" VARCHAR (100),
"INTARGS" INTEGER,
"DOUBLEARGS" DOUBLE,
"STRINGARGS" VARCHAR (100)
);
INSERT INTO #PAL_CONTROL_TBL VALUES ('THREAD_NUMBER', 2, null, null);
70 P U B L I C
SAP HANA Predictive Analysis Library (PAL)
PAL Functions