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Found 2 results

  1. Hi, For a research project I have collected a square grid of soil samples along with a GPS co-ordinate at each location, I have tested the soils to find results such as pH, Organic Matter Content and the likes. I then took random samples within the Grid to test the accuracy of GIS when predicting soil characteristics. I am wondering which GIS method to use , i.e Interpolation, Kriging , Co-Kriging or any other method. The software I have available is ArcGIS 10.3. I was going to compare the results of the actual random samples compared to what the GIS predicted values would give. Thanks, Stephen
  2. Hello, I am a new member and I have 2 questions 1) I want to create a piezometric/potensiometric map using kriging or/and cokriging (arcgis9.3). Due to the rules the correlation factor must be -1/+1. In order to calculate it we need the stdv and the convariance. During this procedure at the geostatistical analyst, semivariogram and the covariance diagram are created (not only these) . My problem: which will be the way to see/ understand the if the cor. factor is in at the aforementioned limit.Where exist this factor? 2) I am confused, I know I am knew, which is the difference between single and multiple geodatabase? I will wait for response Thank in advance
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