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A plot or function used in spatial statistics (or in time series analysis) to describe the degree of spatial (or time) dependence of a stochastic process.

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R Error in chol.default(A) krigeST from gstat package

I chose a space-time variogram (e.g. sum-metric) to fit my data and am now trying to make predictions over my same stations in order to fill NA (missing value) gaps. … In general I am not trying to predict over a spatial grid, rather I am trying to predict on the same observations I use to develop the variogram. …