SAP HANA Predictive Analysis Library (PAL)

Table 29:
Name Data Type Description
INIT_MODE Integer Specifies the initialization mode.
●
●
0: Sets the number of the Gaussian
distributions of GMM in the initialize
parameter table.
1: Sets the seed data (initialization
data) in the initialize parameter table.
The number of the different
seed data equals to the number of
the components in GMM.
Optional Parameters
The following parameters are optional. If a parameter is not specified, PAL will use its default value.
Table 30:
Name Data Type Default Value Description Dependency
THREAD_NUMBER Integer 1 Specifies the number
of threads.
Value range: [1,512]
MAX_ITERATION Integer 100 Specifies the maximum
iteration number
of the EM algorithm.
Value range: [1, +∞)
CATEGORY_COL Integer -1 Indicates the column
as category column.
The value of -1 means
there is no column to
specify.
Only valid when the
column is integer or
string.
Value range: [-1,column_number-1]
CATEGORY_WEIGHT Double 0.707 Represents the weight
of category attributes
(γ).
Value range: [0, +∞)
ERROR_TOL Double 1e-5 Specifies the error tolerance,
which is the
stop condition.
Value range: (0, +∞)
SAP HANA Predictive Analysis Library (PAL)
PAL Functions P U B L I C 55