نتایج جستجو برای: measures of uncertainty
تعداد نتایج: 21187952 فیلتر نتایج به سال:
The current COVID-19 pandemic is associated with numerous psychological issues such as anxiety and distress as a result of individual, health-related, social, and economic, issues. This study aimed to assess the general population in Iran for negative impacts of the current pandemic on psychological well-being and to find possible protective and risk factors when facing such situations as the c...
In the real world, risk and uncertainty are two natural properties in the implementation of Mega projects. Most projects fail to achieve the pre-determined objectives due to uncertainty. A linear integer programming optimization model was used in this work to solve a problem in order to choose the most appropriate risk responses for the project risks. A mathematical model, in which work structu...
Although survey‐based point predictions have been found to outperform successful forecasting models, corresponding variance forecasts are frequently diagnosed as heavily distorted. Professional forecasters who report inconspicuously low ex ante variances often produce squared forecast errors that much larger on average. In this paper, we document the novel stylized fact misalignment is related ...
The hesitant fuzzy soft set (HFSS), as a combination of hesitant fuzzy and soft sets, is regarded as a useful tool for dealing with the uncertainty and ambiguity of real-world problems. In HFSSs, each element is defined in terms of several parameters with arbitrary membership degrees. In addition, distance and similarity measures are considered as the important tools in different areas such as ...
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