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In this paper, we consider the problem of selecting an optimal subset from a finite set of simulated designs. Using the optimal computing budget allocation (OCBA) framework, we formulate the problem as that of maximizing the probability of correctly selecting the top m designs subject to a constraint on the total number of samples available. For an approximation of the probability of correct selection,...
This paper compares widely employed simulation modeling approaches: System Dynamics (SD) and Discrete Event Simulation (DES). SD and DES follow two quite different modeling philosophies and can bring very different but complimentary insights in understanding to the same ‘real world’ problem. An exploratory study is undertaken to investigate the ability of new practitioners to assimilate and then put...
Social network platforms are a useful source of information on preferences of citizens. However, population exposed on social network platform is non representative and in result preferences collected through such platforms are biased. The goal of the public administration is to utilize the data that can be collected through such online platforms in order to understand preferences and its structure...
Stroke is the second leading cause of death and a leading cause of long-term disability world-wide. Treatment with intravenous tissue plasminogen activator (tPA) is the most effective medical treatment for acute brain infarction within 4.5 hours after the onset of stroke symptoms to improve functional outcome. Unfortunately, tPA remains substantially underutilized. Stroke care organization is among...
P-values of null hypothesis significance testing have long been the standard and decisive measure of deductive statistics. However, for decades, top statistical methodologists have argued that focusing on p-values is not conducive to science, and that these tests are regularly misunderstood. The standard replacement or at least complement proposed for p-values by those critics are confidence intervals...
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