exploring spatial analysis in gis

Ngày tải lên: 11/06/2014, 16:57

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Ngày tải lên: 07/07/2014, 04:20

... reaching markets. Ac- cess can therefore not explain the variance in efficiency of Chinese wheat production. Market in uence (market), as a proxy for land rent indicating the investments in machinery, ... these interact with local constraints. The results of our analysis have confirmed that the factors explaining inefficiencies in production widely vary by region. Furthermore, factors explain- ing ... example underpins the necessity to include so- cio-economic variables when exploring crop yields. The selection of land management-related factors included as inefficiency effects in our analysis was,...

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Ngày tải lên: 03/01/2014, 19:40

... different online registers or databases con- taining personal information may be combined by powerful search engines in order to get an apprehension about groups of individuals. In effect, this informa- tion ... and several startups joined in creat- ing Internet products and services. By the beginning of 2000, the Internet was supporting a great number of popular applications, including typical killer appli- cations ... re-establishing a ground for mutual trust between buyers and sellers within e-commerce, and by improving laws against spam marketing. In Paper 3, entitled “Privacy-Invasive Software in File-Sharing Tools”,...

Ngày tải lên: 16/01/2014, 16:33

... correlated. Spatial regression The descriptive analysis in Figure 3 is univariate. The aim of the spatial regression analysis is to combine multiple factors in a model which explains these spatial ... beneficiaries in 2000 CMS Geographic Service Area File, county CINCREASE Binary indicator of an increase in competition among the MMC plans available, between 1998–2000, from inverse Herfindahl index CMS ... reside in rural areas. We interact the pro- portion of elderly in poverty with the proportion in rural areas to include in the model. We also expect that elderly living among elderly in rural areas...

Ngày tải lên: 14/02/2014, 06:20

... extents, coarse-graining transferring information with increasing grain size, and fine-graining transferring information with decreasing grain size. Sometimes, upscaling and downscaling refer specifically ... downscaling, the two steps are disaggregating information and singling out (Figure 2.1). Disaggregating coarse-grained information is to derive the detailed pattern within a spatial domain (fine-graining) ... studies in scaling and uncertainty analysis that are relevant to ecology. The series of case studies included here illustrate how scaling and uncertainty analysis are being conducted in ecology...

Ngày tải lên: 17/02/2014, 19:20

... should be incorporated into the test. Uncertainty analysis is the attainment of some understanding of the type and magnitude of uncertainty encompassing the variables to be tested, and using it ... uncertainty should not be included in the probabilistic analysis unless its impact on the project result, within the expected margins of uncertainty, is significant. The reason for including ... scenarios generated in the analysis. Decision criteria By using a discount rate that allows for risk, investment decision criteria normally used in deterministic analysis maintain their validity...

Ngày tải lên: 18/02/2014, 07:20

... Discussion ã Spatial data and spatial databases ã Adding spatial extensions to PostgreSQL ã OpenGIS and standards Spatial Relationships Containment: Rivers inside watersheds and land (islands) inside ... election. ã Want to predict voting in 2001 by looking at voting in 1996. ã Intersect the 2001 district polygon with the voting areas polygons. ã Outside will have zero area ã Inside will have 100% area ã ... size – GiST index / Index extensions – Easy to add custom functions The OpenGIS Consortium From the OpenGIS Consortium guide “Much geospatial data is available on the web and in off-line archives,...

Ngày tải lên: 20/02/2014, 05:21

... an insurance company and investment portfolios 3.3.1 Mathematical appendix 5 3.4 Risks in traditional and innovative methods in life insurance 3.5 Reinsurance risks 3.6 Extended analysis of insurance ... of optimal investment. In the previous sections we studied investment strategies (portfolios) from the point of view of hedging contingent claims. Another criterion for comparing invest- ment ... dollars) and invests the obtained 46.8 dollars in a bank account. Note that in both examples the ‘minimal hedging’ price coincides with the ‘risk- neutral’ price and they differ from the intuitive...

Ngày tải lên: 22/02/2014, 06:20