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Questions related from Asad Ali
I have a very general question regarding variography and kriging interpolation. The first order stationarity assumes that the mean value of the attribute is same over the entire region. This...
03 May 2017 2,574 3 View
I was doing some geostatistical analysis (variogram+kriging) for a "presence only" type data in a species distribution modeling context. Since, we know that when estimating the (empirical)...
09 February 2017 5,464 4 View
I have read in several lecture notes/slides of prominent geostatistics people that kriging is not affected by clusters in data. That kriging de-clusters. But before applying kriging we need to fit...
03 January 2017 8,116 7 View
I am caught in a strange situation. I have been doing some kriging using gstat package, but the data is exhibiting a lot of bad signs. It has a second order strong trend surface, with almost all...
02 September 2016 1,905 3 View
I have 33 attribute values coming from sensors located at 33 different locations. I know that it's too small a sample to calculate variogram for. What would you suggest?
16 April 2015 9,955 12 View
