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Questions related from Robbi Bishop-Taylor
I have a large set of habitat polygons (over 10,000) between which I wish to calculate least-cost distances and cumulative costs for a subset of polygon pairs (nearest edge to nearest edge), using...
04 April 2015 6,987 7 View
I'm currently running an erosion model using the Revised Universal Soil Loss Equation (RUSLE), and have access to a dataset which only includes information on soil texture (% clay, silt, fine sand...
01 January 2015 1,701 23 View
I am currently looking into circuit theory resistance modelling (http://goo.gl/fPOSVw) as an alternative to least-cost path approaches for modelling ecological connectivity throughout a major...
03 March 2014 6,831 6 View
I wish to produce a range of soil maps for a dataset, ideally focused on the distribution of soil sand, silt and clay within a study area. Unfortunately, the dataset at my disposal was produced...
04 April 2013 7,844 9 View
Scenario: I have two datasets. The first is a sample dataset of "observed" values of a spatial variable (eg elevation) extracted for n=30 sites being studied. The second is an "expected" dataset...
04 April 2013 4,275 12 View
Ordinary kriging and other common interpolation measures are clearly inappropriate for use on compositional data which sum to a constant (such as soil particle size fraction data - % sand, silt...
03 March 2013 5,282 25 View