SAP HANA Predictive Analysis Library (PAL)

SELECTED_PARAMETER_TBL:
Example 3: SVM
SET SCHEMA DM_PAL;
DROP TYPE FUNC_T;
CREATE TYPE FUNC_T AS TABLE("ID" INTEGER,"Function" VARCHAR(50));
DROP TYPE EVALUATION_RESULT_T;
CREATE TYPE EVALUATION_RESULT_T AS TABLE("ID" INTEGER,"Name" VARCHAR(50),"Value"
VARCHAR(5000));
DROP TYPE SELECTED_PARAMETER_T;
CREATE TYPE SELECTED_PARAMETER_T AS TABLE("ID" INTEGER,"Name"
VARCHAR(50),"Value" VARCHAR(50));
--prepare input training data table type--
DROP TYPE PAL_SVM_TRAININGSET_T;
CREATE TYPE PAL_SVM_TRAININGSET_T AS TABLE ( ID integer, VALUEE double,
ATTRIBUTE1 double, ATTRIBUTE2 double, ATTRIBUTE3 double);
--prepare argument table type--
DROP TYPE PAL_CONTROL_T;
CREATE TYPE PAL_CONTROL_T AS TABLE( NAME varchar(50), INT#PAL_CONTROL_TBL
integer, DOUBLE#PAL_CONTROL_TBL double, STRING#PAL_CONTROL_TBL varchar(100));
--prepare result table type--
DROP TYPE PAL_SVM_MODELPART1_T;
CREATE TYPE PAL_SVM_MODELPART1_T AS TABLE( ID varchar(50), VALUEE double);
--prepare result table type--
DROP TYPE PAL_SVM_MODELPART2_T;
CREATE TYPE PAL_SVM_MODELPART2_T AS TABLE( ID integer, ALPHA double, ATTRIBUTE1
double, ATTRIBUTE2 double, ATTRIBUTE3 double);
----create PAL procedure for training----
DROP TABLE PAL_PSME_PDATA_TBL;
CREATE TABLE PAL_PSME_PDATA_TBL("POSITION" INT, "SCHEMA_NAME" NVARCHAR(256),
"TYPE_NAME" NVARCHAR(256), "PARAMETER_TYPE" VARCHAR(7));
INSERT INTO PAL_PSME_PDATA_TBL VALUES (1,'DM_PAL','FUNC_T','IN');
INSERT INTO PAL_PSME_PDATA_TBL VALUES (2,'DM_PAL','PAL_SVM_TRAININGSET_T','IN');
INSERT INTO PAL_PSME_PDATA_TBL VALUES (3,'DM_PAL','PAL_CONTROL_T','IN');
INSERT INTO PAL_PSME_PDATA_TBL VALUES (4,'DM_PAL','EVALUATION_RESULT_T','OUT');
INSERT INTO PAL_PSME_PDATA_TBL VALUES (5,'DM_PAL','SELECTED_PARAMETER_T','OUT');
INSERT INTO PAL_PSME_PDATA_TBL VALUES (6,'DM_PAL','PAL_SVM_MODELPART1_T','OUT');
INSERT INTO PAL_PSME_PDATA_TBL VALUES (7,'DM_PAL','PAL_SVM_MODELPART2_T','OUT');
CALL "SYS".AFLLANG_WRAPPER_PROCEDURE_DROP('DM_PAL', 'PAL_PSME_SVM_PROC');
CALL "SYS".AFLLANG_WRAPPER_PROCEDURE_CREATE('AFLPAL', 'PSME', 'DM_PAL',
'PAL_PSME_SVM_PROC', PAL_PSME_PDATA_TBL);
--create input training data table--
DROP TABLE PAL_SVM_TRAININGSET_TBL;
CREATE COLUMN TABLE PAL_SVM_TRAININGSET_TBL ( ID integer, VALUEE double,
ATTRIBUTE1 double, ATTRIBUTE2 double, ATTRIBUTE3 double);
DROP TABLE FUNC_TBL;
CREATE COLUMN TABLE FUNC_TBL LIKE FUNC_T;
INSERT INTO FUNC_TBL VALUES (0, 'SVMTRAIN');
--create training argument table--
DROP TABLE #PAL_CONTROL_TBL;
CREATE LOCAL TEMPORARY COLUMN TABLE #PAL_CONTROL_TBL (NAME varchar(50),
INT#PAL_CONTROL_TBL integer, DOUBLE#PAL_CONTROL_TBL double,
STRING#PAL_CONTROL_TBL varchar(100));
--create result table--
DROP TABLE PAL_SVM_MODELPART1_TBL;
CREATE COLUMN TABLE PAL_SVM_MODELPART1_TBL( ID varchar(50), VALUEE double);
--create result table--
DROP TABLE PAL_SVM_MODELPART2_TBL;
CREATE COLUMN TABLE PAL_SVM_MODELPART2_TBL( ID integer, ALPHA double, ATTRIBUTE1
double, ATTRIBUTE2 double, ATTRIBUTE3 double);
212 P U B L I C
SAP HANA Predictive Analysis Library (PAL)
PAL Functions