SAP HANA Predictive Analysis Library (PAL)

2. Set the upper and lower bounds as follows:
Upper-bound = µ + multiplier * ϭ
Lower-bound = µ – multiplier * ϭ
Where the multiplier is a double type coefficient provided by the user to test whether all the values of a
numeric vector are in the range.
If a value is outside the range, it means it doesn't pass the Variance Test. The value is marked as an outlier.
Prerequisites
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No missing or null data in the inputs.
The data is numeric, not categorical.
VARIANCETEST
This is a variance test function.
Procedure Generation
CALL SYS.AFLLANG_WRAPPER_PROCEDURE_CREATE (‘AFLPAL’, ‘VARIANCETEST’,
‘’, '', );
The signature table should contain the following records:
Table 360:
Position Schema Name Table Type Name Parameter Type
1 IN
2 IN
3
4
OUT
OUT
Procedure Calling
CALL .(, , , ) with overview;
490 P U B L I C
SAP HANA Predictive Analysis Library (PAL)
PAL Functions