I have data from a network of NO2 passive samplers. Measurement are repeated in the same positions in different years. I need to verify if spatial gradients in air pollution remain constant in time, ...
I am interested in exploring the idea of generating a predictive model for a target variable in a spatial context. I would then like to correct the residuals of this model using kriging, i.e. in a ...
I have recently begun experimenting with the inteprolation of variales over a whole country. I have good sized training set where I have several dependant variables (continuous and categorical) ...
In the documentation of sp I saw that the coords argument of the SpatialPolygons function only accepts 2 columns. Is it not possible to create 3-dimensional polygons? I am doing spatio-temporal ...