SAP HANA Predictive Analysis Library (PAL)

Table Column Column Data Type Description
5th column Integer The support - sample number
in each class
Example
Assume that:
●
●
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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_CM_DATA_T;
CREATE TYPE PAL_CM_DATA_T AS TABLE (
ID INTEGER,
ORIGINAL INTEGER,
PREDICT INTEGER
);
DROP TYPE PAL_CONTROL_T;
CREATE TYPE PAL_CONTROL_T AS TABLE(
NAME VARCHAR(50),
INTARGS INTEGER,
DOUBLEARGS DOUBLE,
STRINGARGS VARCHAR(100)
);
DROP TYPE PAL_CM_CONFUSIONMATRIX_T;
CREATE TYPE PAL_CM_CONFUSIONMATRIX_T AS TABLE(
ID varchar(100),
CLASS1 INTEGER,
CLASS2 INTEGER
);
DROP TYPE PAL_CM_CLASSIFICATIONREPORT_T;
CREATE TYPE PAL_CM_CLASSIFICATIONREPORT_T AS TABLE(
ID varchar(100),
RECALL DOUBLE,
PRECISIONV DOUBLE,
FMEASURE DOUBLE,
SUPPORT INTEGER
);
DROP TABLE PAL_CM_PDATA_TBL;
CREATE COLUMN TABLE PAL_CM_PDATA_TBL (
"POSITION" INT,
"SCHEMA_NAME" NVARCHAR(256),
"TYPE_NAME" NVARCHAR(256),
"PARAMETER_TYPE" VARCHAR(7)
);
INSERT INTO PAL_CM_PDATA_TBL VALUES (1,'DM_PAL','PAL_CM_DATA_T', 'IN');
INSERT INTO PAL_CM_PDATA_TBL VALUES (2,'DM_PAL','PAL_CONTROL_T', 'IN');
INSERT INTO PAL_CM_PDATA_TBL VALUES (3,'DM_PAL','PAL_CM_CONFUSIONMATRIX_T',
'OUT');
INSERT INTO PAL_CM_PDATA_TBL VALUES (4,'DM_PAL','PAL_CM_CLASSIFICATIONREPORT_T',
'OUT');
CALL SYS.AFLLANG_WRAPPER_PROCEDURE_DROP('DM_PAL','PAL_CM');
CALL SYS.AFLLANG_WRAPPER_PROCEDURE_CREATE('AFLPAL', 'CONFUSIONMATRIX', 'DM_PAL',
'PAL_CM', PAL_CM_PDATA_TBL);
DROP TABLE PAL_CM_DATA_TBL;
CREATE COLUMN TABLE PAL_CM_DATA_TBL LIKE PAL_CM_DATA_T;
INSERT INTO PAL_CM_DATA_TBL VALUES(1,1,1);
INSERT INTO PAL_CM_DATA_TBL VALUES(2,1,1);
INSERT INTO PAL_CM_DATA_TBL VALUES(3,1,1);
160 P U B L I C
SAP HANA Predictive Analysis Library (PAL)
PAL Functions