ES|QL MV_PSERIES_WEIGHTED_SUM function
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Serverless
Generally available
Stack
Generally available
Calculates the P-series weighted sum of a multi-value field.
number- Expression that can be null, a single value, or multiple values.
p-
It is a constant number that represents the p parameter in the P-Series. It impacts every element’s contribution to the weighted sum.
Converts a multivalued expression into a single-valued column by multiplying every element on the input list by its corresponding term in P-Series and computing the sum.
| number | p | result |
|---|---|---|
| double | double | double |
ROW a = [70.0, 45.0, 21.0, 21.0, 21.0]
| EVAL sum = MV_PSERIES_WEIGHTED_SUM(a, 1.5)
| KEEP sum
| sum:double |
|---|
| 94.45465156212452 |