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Results tagged with spatial
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user 285519
The field of study concerning statistical methods that use space and spatial relationships (such as distance, area, volume, length, height, orientation, centrality and/or other spatial characteristics of data) directly in their mathematical computations.
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Variogram fit in R not converging
trip_duration ~ 1, shape_df_cleaned, grid_sp, model = trip_duration_fit)
Error in (function (classes, fdef, mtable) :
unable to find an inherited method for function ‘coordinates’ for signature ‘"Spatial … I am new to spatial-temporal analysis and have had a difficult time learning from my Professor. So I am just trying to learn from examples online and apply it to a real data set. …
- 181
1
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Interpreting a Distance & Time 3D Variogram for Variogram modeling
I believe the idea is to fit a plane to the spatial/temporal data so that we can interpolate or assess how much distance and time affects the measurement of ozone at different points. … Here are some plots of my variograms:
library(sp)
# base spatial-temporal variogram
ozone_vgm <- variogramST(PPB~1, data = ozone_time_df, tunit = "hours", assumeRegular = FALSE, na.omit = TRUE)
plot(ozone_vgm …
- 181