SAP HANA Predictive Analysis Library (PAL)

Name Data Type Default Value Description Dependency
CATEGORY_COL Integer -1 Indicates whether the
column is category
variable. By default,
'string' is category variable,
and 'integer' or
'double' is continuous
variable. The value of
-1 means the default
will be used.
CATEGORY_WEIGHTS Double 0.707 Represents the weight
of category attributes
(γ).
Output Tables
Table 26:
Table Column Column Data Type Description Constraint
Result 1st column Integer, bigint, varchar,
or nvarchar
ID
This must be the first
column.
2nd column Integer Cluster ID (from 0 to
cluster_number − 1)
Note: -1 means the
point is labeled as
noise.
Cluster Model (optional)
1st column Integer Cluster model ID This must be the first
column.
2nd column
CLOB, varchar, or
Cluster model saved
The table must be a
nvarchar
as JSON string
column table. The minimum
length of each
unit (row) is 5000.
Example
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.
SET SCHEMA DM_PAL;
DROP TYPE PAL_DBSCAN_DATA_T;
CREATE TYPE PAL_DBSCAN_DATA_T AS TABLE ( ID integer, ATTRIB1 double, ATTRIB2
double);
50 P U B L I C
SAP HANA Predictive Analysis Library (PAL)
PAL Functions