Dakota Reference Manual: sum

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sum

Aggregate the variances over all QoIs to generate a target for each level in a MLMC algorithm.

## Specification

Alias: none

Argument(s): none

## Description

The variances of the `allocation_target` of are aggregated and a single sample allocation is computed.

## Examples

The following method block

    method,
        model_pointer = 'HIERARCH'
            multilevel_sampling
          pilot_samples = 20 seed = 1237
          convergence_tolerance = .01
          allocation_target = mean
          qoi_aggregation = sum

uses the sum rule to aggregate the variance over the qois.