SAP HANA Predictive Analysis Library (PAL)

Table 154:
Predicted Categories
ActualCategories setosa versicolor virginica
setosa 50 0 0
versicolor 0 47 3
virginica 0 4 46
Examples
Assume that:
●
●
●
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.
Example 1: Logistic regression
SET SCHEMA DM_PAL;
DROP TYPE CV_LR_DATA_T;
CREATE TYPE CV_LR_DATA_T AS TABLE("ROWID" INTEGER, "FACTOR1" INT ,
"FACTOR2" DOUBLE ,
"FACTOR3" DOUBLE ,
"FACTOR4" VARCHAR(20),
"LABEL" 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 CV_LR_FUNC_T;
CREATE TYPE CV_LR_FUNC_T AS TABLE( "ID" INTEGER, "FUNCNAME" VARCHAR(100));
DROP TYPE CV_LR_RESULT_T;
CREATE TYPE CV_LR_RESULT_T AS TABLE("ID" INTEGER, "AI" DOUBLE, "Z_score" DOUBLE,
"P_value" DOUBLE);
DROP TYPE CV_LR_MODEL_T;
CREATE TYPE CV_LR_MODEL_T AS TABLE( "ID" INTEGER, "PMMLMODEL" VARCHAR(5000));
DROP TYPE CV_LR_EVALUATION_T;
CREATE TYPE CV_LR_EVALUATION_T AS TABLE( "ID" INTEGER, "NAME" VARCHAR(5000),
"CONTENT" VARCHAR(5000));
DROP TYPE CV_LR_PARA_SEL_T;
CREATE TYPE CV_LR_PARA_SEL_T AS TABLE( "ID" INTEGER, "NAME" VARCHAR(5000),
"CONTENT" VARCHAR(5000));
DROP TABLE CV_LR_PDATA_TBL;
CREATE COLUMN TABLE CV_LR_PDATA_TBL("POSITION" INT, "SCHEMA_NAME" NVARCHAR(256),
"TYPE_NAME" NVARCHAR(256), "PARAMETER_TYPE" VARCHAR(7));
INSERT INTO CV_LR_PDATA_TBL VALUES (1,'DM_PAL', 'CV_LR_FUNC_T','IN');
INSERT INTO CV_LR_PDATA_TBL VALUES (2,'DM_PAL', 'CV_LR_DATA_T','IN');
INSERT INTO CV_LR_PDATA_TBL VALUES (3,'DM_PAL', 'PAL_CONTROL_T','IN');
INSERT INTO CV_LR_PDATA_TBL VALUES (4,'DM_PAL', 'CV_LR_PARA_SEL_T','OUT');
INSERT INTO CV_LR_PDATA_TBL VALUES (5,'DM_PAL', 'CV_LR_EVALUATION_T','OUT');
INSERT INTO CV_LR_PDATA_TBL VALUES (6,'DM_PAL', 'CV_LR_RESULT_T','OUT');
INSERT INTO CV_LR_PDATA_TBL VALUES (7,'DM_PAL', 'CV_LR_MODEL_T','OUT');
CALL SYS.AFLLANG_WRAPPER_PROCEDURE_DROP('DM_PAL', 'PAL_CV_LR_PROC');
CALL SYS.AFLLANG_WRAPPER_PROCEDURE_CREATE('AFLPAL','PSME', 'DM_PAL',
'PAL_CV_LR_PROC', CV_LR_PDATA_TBL);
DROP TABLE #PAL_CONTROL_TBL;
CREATE LOCAL TEMPORARY COLUMN TABLE #PAL_CONTROL_TBL ("NAME" VARCHAR(50),
"INTARGS" INTEGER, "DOUBLEARGS" DOUBLE, "STRINGARGS" VARCHAR(100));
208 P U B L I C
SAP HANA Predictive Analysis Library (PAL)
PAL Functions