SAP HANA Predictive Analysis Library (PAL)

MULTIVARSTAT
This function reads input data and calculates the basic multivariate statistics values for each column, including
covariance matrix and Pearson’s correlation coefficient matrix.
Procedure Generation
CALL SYS.AFLLANG_WRAPPER_PROCEDURE_CREATE (‘AFLPAL’, ‘MULTIVARSTAT’,
‘’, '', );
The signature table should contain the following records:
Table 395:
Position Schema Name Table Type Name Parameter Type
1 IN
2 IN
3
OUT
Procedure Calling
CALL . (, , ) with overview;
The procedure name is the same as specified in the procedure generation.
The input, parameter, and output tables must be of the types specified in the signature table.
Signature
Input Table
Table 396:
Table Column Column Data Type Description
Data All columns Integer or double Attribute data
Parameter Table
Mandatory Parameters
None.
Optional Parameter
The following parameter is optional. If it is not specified, PAL will use its default value.
Table 397:
Name Data Type Default Value Description
RESULT_TYPE Integer 0 Definition of result matrix.
●
●
0: Covariance matrix
1: Pearson’s correlation
coefficient matrix
Output Table
526 P U B L I C
SAP HANA Predictive Analysis Library (PAL)
PAL Functions