Narrow search
Showing 1 - 10 of 76
Cover Image
Hits-and-misses for the evaluation and combination of forecasts
Wenzel, Thomas - Institut für Wirtschafts- und Sozialstatistik, … - 2000
Error measures for the evaluation of forecasts are usually based on the size of the forecast errors. Common measures are e.g. the Mean Squared Error (MSE), the Mean Absolute Deviation (MAD) or the Mean Absolute Percentage Error (MAPE). Alternative measures for the comparison of forecasts are...
Persistent link: https://www.econbiz.de/10010955448
Cover Image
Hits-and-misses for the evaluation and combination of forecasts
Wenzel, Thomas - 2000
Error measures for the evaluation of forecasts are usually based on the size of the forecast errors. Common measures are e.g. the Mean Squared Error (MSE), the Mean Absolute Deviation (MAD) or the Mean Absolute Percentage Error (MAPE). Alternative measures for the comparison of forecasts are...
Persistent link: https://www.econbiz.de/10009783558
Cover Image
A fuzzy approach to risk based decision making
Hussain, Omar; Chang, Elizabeth; Hussain, Farookh; … - 2006
from a set of probable trusted agents. In this paper, we propose a fuzzy risk based decision making system that would …
Persistent link: https://www.econbiz.de/10009434916
Cover Image
Integration of fuzzy reasoning approach (FRA) and fuzzy analytic hierarchy process (FAHP) for risk assessment in mining industry
Verma, Shikha; Chaudhri, Sharad - In: Journal of Industrial Engineering and Management (JIEM) 7 (2014) 5, pp. 1347-1367
2000 (Section 7& 8). The data required to assess the risk is uncertain, and in such case fuzzy approach is well suited to … process the data and get the crisp output. The output of fuzzy approach is made robust with its integration to AHP. In this …
Persistent link: https://www.econbiz.de/10011939176
Cover Image
Benchmarking with uncertain data: a simulation study comparing alternative methods
Hougaard, Jens Leth; Kerstens, Pieter Jan; Nielsen, Kurt - 2019
order to contrast two well-established methods, IDEA and Fuzzy DEA, with a recently suggested extension of Fuzzy DEA in the …
Persistent link: https://www.econbiz.de/10012101079
Cover Image
SELECTION OF AN ORGANIZATION SPECIFIC ERP
RĂDUŢ, CARMEN; CODREANU, DIANA-ELENA - In: Anale. Seria Stiinte Economice. Timisoara XVIII/Supplement (2012) November, pp. 384-389
Technology development and competitive conditions being changed encourages more medium and high level companies to find different solutions. The integrated software systems, starting with the use of the computers in the production sectors, turned into giant program packs, which today are named...
Persistent link: https://www.econbiz.de/10010815335
Cover Image
Interval and fuzzy Average Internal Rate of Return for investment appraisal
Guerra, Maria Letizia; Magni, Carlo Alberto; Stefanini, … - MASTER CONSULTORES - 2012
In investment appraisal, uncertainty can be managed through intervals or fuzzy numbers because the arithmetical … and fuzzy numbers to the Average Internal Rate of Return (AIRR), recently introduced for overcoming the problems of the … traditional Internal Rate of Return (IRR). In the setting of interval and fuzzy arithmetic, we establish relations between the …
Persistent link: https://www.econbiz.de/10010762973
Cover Image
An Interval Fuzzy Multiobjective Watershed Management Model for the Lake Qionghai Watershed, China
Wang, Lijing; Meng, Wei; Guo, Huaicheng; Zhang, Zhenxing; … - In: Water Resources Management 20 (2006) 5, pp. 701-721
natural and human systems. In the present study, an interval fuzzy multiobjective programming (IFMOP) method was used to solve …
Persistent link: https://www.econbiz.de/10010794608
Cover Image
Developing an Erosion Risk Map Using Soft Computing Methods (Case Study at Sifnos Island)
Gournellos, TH.; Evelpidou, N.; Vassilopoulos, A. - In: Natural Hazards 31 (2004) 1, pp. 63-83
The erosional processes depend on various variables such as lithology, topography,drainage system, rock structure and climatic conditions. The quantitative evaluationof some of the above geological and geomorphological parameters is of primaryimportance for the purpose of developing erosion risk...
Persistent link: https://www.econbiz.de/10010846558
Cover Image
Multi-criteria analysis for the impact assessment of food safety policies: The case of EU regulation on dietary arsenic
Ragona, Maddalena; Mazzocchi, Mario; Alldrick, A.J. - Associazione Italiana di Economia Agraria e Applicata - … - 2012
evaluation of alternative policy initiatives is considered in this work. It employed a computer-based, fuzzy multi … for any type of impact, and the comparison of policy options through a fuzzy multi-criteria approach. The transparency of …
Persistent link: https://www.econbiz.de/10010914772