MMC makes use of reference variables to localise the mixing and was originally formulated for stochastic reference variables with standard Gaussian distributions.
On the other hand, the steering institutions may receive the feedback on reference variable on face value and agree to them as the new set of reference variables.
Attachment effects accounted for up to 9.8% of unique variance proportions in the person reference variables.
3.5, the social feedback also indicates the reference variables desired by society, denoted (hat{w_{t}}).
Depending on how the subjective performance of the system, as expressed by (z_{t}), compares with the reference variables ((w_{t})), the steering institutions design the reference variables for the next period ((w_{t+1})), and the process repeats itself.
In many instances, the steering institutions may be influenced by the feedback to change the reference variables themselves rather than simply adjust the control action that they take in achieving a given reference variable.
Indeed, each department may be sent a multiple of directives based on a single or more than one reference variables.
At a very elementary level, the output may have achieved the targets set out in the reference variables.
Consider, for instance, our example of the reference variables initiated by Department for the Environment developed earlier (in Sect. 3.4).
There is also a tendency of the class not to distinguish between using a constant number from reference variables.
