Questions tagged [uncertainty]

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2
votes
2answers
88 views

How to generate correlated samples?

The variation of the average price of a product over a longer period is generally lower than a shorter period. I am interested to capture both uncertainties as to the input of the stochastic ...
8
votes
1answer
282 views

Safety stock when there is uncertainty in order completion

Safety stocks account for uncertainty both on demand and provider lead times, but never mention how to include the effect of incomplete orders. For example, what would happen if a provider always ...
12
votes
1answer
95 views

Model or State Uncertainty in Queueing Model due to uncertain arrival rate

Introduction I am currently modelling a scenario where two queues need to be served by a single server in a non preemptive discipline. I am quite sorted on generating the optimal policy via Value or ...
15
votes
4answers
855 views

Modeling the uncertainty of the input parameters

There are many approaches to deal with the uncertainty such as stochastic programming, robust optimization and fuzzy programming. Finding a suitable approach that is applicable in the real situations ...
11
votes
2answers
180 views

Families of methods to deal with criterion uncertainties in multicriteria decision analysis

In MCDA, which family methods deal with uncertain criterion-specific values? What is MCDA? Multiple-criteria decision analysis, refereed as MCDA, is a sub-field of Operations Research for aiding in ...