SAP HANA Predictive Analysis Library (PAL)

"ID" INTEGER,
"PMML_MODEL" CLOB
);
DROP TYPE PAL_CONTROL_T;
CREATE TYPE PAL_CONTROL_T AS TABLE(
"NAME" VARCHAR(100),
"INTARGS" INTEGER,
"DOUBLEARGS" DOUBLE,
"STRINGARGS" VARCHAR(100)
);
DROP TABLE PAL_CHAID_PDATA_TBL;
CREATE COLUMN TABLE PAL_CHAID_PDATA_TBL(
"POSITION" INT,
"SCHEMA_NAME" NVARCHAR(256),
"TYPE_NAME" NVARCHAR(256),
"PARAMETER_TYPE" VARCHAR(7)
);
INSERT INTO PAL_CHAID_PDATA_TBL VALUES (1, 'DM_PAL', 'PAL_CHAID_DATA_T', 'IN');
INSERT INTO PAL_CHAID_PDATA_TBL VALUES (2, 'DM_PAL', 'PAL_CONTROL_T', 'IN');
INSERT INTO PAL_CHAID_PDATA_TBL VALUES (3, 'DM_PAL', 'PAL_CHAID_TREEMODEL_T',
'OUT');
INSERT INTO PAL_CHAID_PDATA_TBL VALUES (4, 'DM_PAL', 'PAL_CHAID_PMMLMODEL_T',
'OUT');
CALL "SYS".AFLLANG_WRAPPER_PROCEDURE_DROP('DM_PAL', 'PAL_CHAID_PROC');
CALL "SYS".AFLLANG_WRAPPER_PROCEDURE_CREATE('AFLPAL', 'CREATEDTWITHCHAID',
'DM_PAL', 'PAL_CHAID_PROC', PAL_CHAID_PDATA_TBL);
DROP TABLE PAL_CHAID_DATA_TBL;
CREATE COLUMN TABLE PAL_CHAID_DATA_TBL LIKE PAL_CHAID_DATA_T;
INSERT INTO PAL_CHAID_DATA_TBL VALUES ('Sunny', 75, 70, 'Yes', 'Play');
INSERT INTO PAL_CHAID_DATA_TBL VALUES ('Sunny', 80, 90, 'Yes', 'Do not Play');
INSERT INTO PAL_CHAID_DATA_TBL VALUES ('Sunny', 85, 85, 'No', 'Do not Play');
INSERT INTO PAL_CHAID_DATA_TBL VALUES (NULL, 72, 95, 'No', 'Do not Play');
INSERT INTO PAL_CHAID_DATA_TBL VALUES ('Sunny', 69, 70, 'No', 'Play');
INSERT INTO PAL_CHAID_DATA_TBL VALUES ('Overcast', 72, 90, 'Yes', 'Play');
INSERT INTO PAL_CHAID_DATA_TBL VALUES ('Overcast', 83, 78, 'No', 'Play');
INSERT INTO PAL_CHAID_DATA_TBL VALUES ('Overcast', 64, 65, 'Yes', 'Play');
INSERT INTO PAL_CHAID_DATA_TBL VALUES ('Overcast', 81, 75, 'No', 'Play');
INSERT INTO PAL_CHAID_DATA_TBL VALUES ('Rain', 71, 80, 'Yes', 'Do not Play');
INSERT INTO PAL_CHAID_DATA_TBL VALUES ('Rain', 65, 70, 'Yes', 'Do not Play');
INSERT INTO PAL_CHAID_DATA_TBL VALUES ('Rain', 75, 80, 'No', 'Play');
INSERT INTO PAL_CHAID_DATA_TBL VALUES ('Rain', 68, 80, 'No', 'Play');
INSERT INTO PAL_CHAID_DATA_TBL VALUES ('Rain', 70, 96, 'No', 'Play');
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 ('SPLIT_THRESHOLD', null, 0.2, null);
INSERT INTO #PAL_CONTROL_TBL VALUES ('MERGE_THRESHOLD', null, 0.05, null);
INSERT INTO #PAL_CONTROL_TBL VALUES ('MAX_DEPTH', 4, null, null);
INSERT INTO #PAL_CONTROL_TBL VALUES ('MIN_RECORDS_OF_PARENT', 2, null, null);
INSERT INTO #PAL_CONTROL_TBL VALUES ('PMML_EXPORT', 2, null, null);
DROP TABLE PAL_CHAID_TREEMODEL_TBL;
CREATE COLUMN TABLE PAL_CHAID_TREEMODEL_TBL LIKE PAL_CHAID_TREEMODEL_T;
DROP TABLE PAL_CHAID_PMMLMODEL_TBL;
CREATE COLUMN TABLE PAL_CHAID_PMMLMODEL_TBL LIKE PAL_CHAID_PMMLMODEL_T;
CALL "DM_PAL".PAL_CHAID_PROC(PAL_CHAID_DATA_TBL, #PAL_CONTROL_TBL,
PAL_CHAID_TREEMODEL_TBL, PAL_CHAID_PMMLMODEL_TBL) with OVERVIEW;
SELECT * FROM PAL_CHAID_TREEMODEL_TBL;
SELECT * FROM PAL_CHAID_PMMLMODEL_TBL;
Expected Result
156 P U B L I C
SAP HANA Predictive Analysis Library (PAL)
PAL Functions