SAP HANA Predictive Analysis Library (PAL)

"DISTANCE" DOUBLE
);
DROP TYPE PAL_KMEANS_DATA_T;
CREATE TYPE PAL_KMEANS_DATA_T AS TABLE(
"ID" INT,
"AGE" DOUBLE,
"INCOME" DOUBLE,
PRIMARY KEY("ID")
);
DROP TYPE PAL_KMEANS_CENTERS_T;
CREATE TYPE PAL_KMEANS_CENTERS_T AS TABLE(
"CENTER_ID" INT,
"V000" DOUBLE,
"V001" DOUBLE
);
DROP TYPE PAL_CONTROL_T;
CREATE TYPE PAL_CONTROL_T AS TABLE(
"NAME" VARCHAR(100),
"INTARGS" INTEGER,
"DOUBLEARGS" DOUBLE,
"STRINGARGS" VARCHAR(100)
);
-- create kmeans procedure
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_RESASSIGN_T',
'OUT');
INSERT INTO PAL_KMEANS_PDATA_TBL VALUES (4, 'DM_PAL', 'PAL_KMEANS_CENTERS_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_KMEANS_DATA_TBL;
CREATE COLUMN TABLE PAL_KMEANS_DATA_TBL LIKE PAL_KMEANS_DATA_T;
INSERT INTO PAL_KMEANS_DATA_TBL VALUES (0 , 20, 100000);
INSERT INTO PAL_KMEANS_DATA_TBL VALUES (1 , 21, 101000);
INSERT INTO PAL_KMEANS_DATA_TBL VALUES (2 , 22, 102000);
INSERT INTO PAL_KMEANS_DATA_TBL VALUES (3 , 30, 200000);
INSERT INTO PAL_KMEANS_DATA_TBL VALUES (4 , 31, 201000);
INSERT INTO PAL_KMEANS_DATA_TBL VALUES (5 , 32, 202000);
INSERT INTO PAL_KMEANS_DATA_TBL VALUES (6 , 40, 400000);
INSERT INTO PAL_KMEANS_DATA_TBL VALUES (7 , 41, 401000);
INSERT INTO PAL_KMEANS_DATA_TBL VALUES (8 , 42, 402000);
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);
INSERT INTO #PAL_CONTROL_TBL VALUES ('GROUP_NUMBER', 3, NULL, NULL);
INSERT INTO #PAL_CONTROL_TBL VALUES ('INIT_TYPE', 1, NULL, NULL);
INSERT INTO #PAL_CONTROL_TBL VALUES ('DISTANCE_LEVEL', 2, NULL, NULL);
INSERT INTO #PAL_CONTROL_TBL VALUES ('MAX_ITERATION', 100, NULL, NULL);
INSERT INTO #PAL_CONTROL_TBL VALUES ('EXIT_THRESHOLD', NULL, 0.000001, NULL);
INSERT INTO #PAL_CONTROL_TBL VALUES ('NORMALIZATION', 0, NULL, NULL);
--clean kmeans result
DROP TABLE PAL_KMEANS_RESASSIGN_TBL;
CREATE COLUMN TABLE PAL_KMEANS_RESASSIGN_TBL LIKE PAL_KMEANS_RESASSIGN_T;
DROP TABLE PAL_KMEANS_CENTERS_TBL;
SAP HANA Predictive Analysis Library (PAL)
End-to-End Scenarios P U B L I C 553