نتایج جستجو برای: economics and spatial distribution
تعداد نتایج: 16942305 فیلتر نتایج به سال:
The purpose of the paper is to discuss ten things potential users should know about the limits of the Dynamic Conditional Correlation (DCC) representation for estimating and forecasting time-varying conditional correlations. The reasons given for caution about the use of DCC include the following: DCC represents the dynamic conditional covariances of the standardized residuals, and hence does n...
62 Optimal Transportation and Spatial Integration of Regional Palm Oil Markets in Nigeria L.O.E. Nwauwa, Department of Agricultural Economics, Faculty of Agriculture, University of Ibadan, Ibadan, Nigeria K.O. Adenegan, Department of Agricultural Economics, Faculty of Agriculture, University of Ibadan, Ibadan, Nigeria M.A.Y. Rahji, Department of Agricultural Economics, Faculty of Agriculture, U...
The groundwater quality research is one of the important and its pollution control was included insome research literatures. Ground water quality has spatial and temporal variation so classical statisticscould not account these variations at the regional scale researches. This study usedgeo-statisticalmethodsto optimize an interpolation method in order to estimate the spatial distribution of pH...
In order to determine the effect of climatic factors on distribution of Artemisia aucheri and Artemisia sieberi in Isfahan province, thirty nine most important climatic elements in ecological condition of these species were selected. Using a factor analysis method, the most important factors in distribution of these species were determined. These factors which cover 92.3% of the total variance ...
Objectives Considering the migration age pattern and the aging trend in Iran, this study aims to investigate the migration effect on the aging spatial distribution of the country during 2006-2016. Methods & Materials This study is a secondary and descriptive-analytical analysis. The source used is the data of the general population and housing census and the analysis unit is the counties of th...
Background: Improper distribution of medical care creates access inequality to the services in developing countries. This study aimed at investigating inequalities in access to medical facilities in Kermanshah's Metropolitan Area. Materials and Methods: The study was an applied and descriptive – analytical one. Due to the spatiotemporal nature of current research, Geographic Information Sys...
History (sometimes) matters for the location and sizes of cities neighborhood segregation patterns within cities. Together with evidence on rapid change self-fulfilling expectations, this implies that nature might not completely determine spatial structure economy. Instead, economy be characterized by multiple equilibria or steady-state equilibrium paths, where history expectations can play dec...
Background and Objectives: The aim of this study was to assess the geographical distribution of Congenital Hypothyroidism (CH) in Iran using Geographic Information System Methods: The incidence of Congenital Hypothyroidism in each city and province calculated based on national CH screening program and then the map of its distribution was depicted. The spatial distribution of CH was assessed ...
Villages located in Isfahan province are one of the areas prone to the spread of cutaneous leishmaniasis, which is characterized by the occurrence of wounds on the skin. To predict the future prevalence of cutaneous leishmaniasis, Continuous monitoring of the spatial distribution of this disease is essential. Disease modeling was performed using two machine learning algorithms called support ve...
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