Package suggested but not available for checking: ‘RandomFields’
Running examples in ‘SpatialBSS-Ex.R’ failed
The error most likely occurred in:

> ### Name: local_covariance_matrix
> ### Title: Computation of Local Covariance Matrices
> ### Aliases: local_covariance_matrix
> 
> ### ** Examples
> 
> # simulate coordinates
> coords <- runif(1000 * 2) * 20
> dim(coords) <- c(1000, 2)
> 
> # simulate random field
> if (!requireNamespace('RandomFields', quietly = TRUE)) {
+   stop('Please install the package RandomFields to run the example code.')
+ } else {
+   RandomFields::RFoptions(spConform = FALSE)
+   field_1 <- RandomFields::RFsimulate(model = RandomFields::RMexp(), 
+                                       x = coords)
+   field_2 <- RandomFields::RFsimulate(model = RandomFields::RMspheric(), 
+                                       x = coords)
+   field_3 <- RandomFields::RFsimulate(model = RandomFields::RMwhittle(nu = 2),  
+                                       x = coords)
+   field <- cbind(field_1, field_2, field_3)
+ }
Error: Please install the package RandomFields to run the example code.
Execution halted
Error(s) in re-building vignettes:
--- re-building ‘SBSS.Rmd’ using rmarkdown
Quitting from lines 100-114 (SBSS.Rmd) 
Error: processing vignette 'SBSS.Rmd' failed with diagnostics:
The package RandomFields is needed to run this example.
--- failed re-building ‘SBSS.Rmd’

SUMMARY: processing the following file failed:
  ‘SBSS.Rmd’

Error: Vignette re-building failed.
Execution halted
Package suggested but not available for checking: ‘RandomFields’
Running examples in ‘SpatialBSS-Ex.R’ failed
The error most likely occurred in:

> ### Name: local_covariance_matrix
> ### Title: Computation of Local Covariance Matrices
> ### Aliases: local_covariance_matrix
> 
> ### ** Examples
> 
> # simulate coordinates
> coords <- runif(1000 * 2) * 20
> dim(coords) <- c(1000, 2)
> 
> # simulate random field
> if (!requireNamespace('RandomFields', quietly = TRUE)) {
+   stop('Please install the package RandomFields to run the example code.')
+ } else {
+   RandomFields::RFoptions(spConform = FALSE)
+   field_1 <- RandomFields::RFsimulate(model = RandomFields::RMexp(), 
+                                       x = coords)
+   field_2 <- RandomFields::RFsimulate(model = RandomFields::RMspheric(), 
+                                       x = coords)
+   field_3 <- RandomFields::RFsimulate(model = RandomFields::RMwhittle(nu = 2),  
+                                       x = coords)
+   field <- cbind(field_1, field_2, field_3)
+ }
Error: Please install the package RandomFields to run the example code.
Execution halted
Error(s) in re-building vignettes:
--- re-building ‘SBSS.Rmd’ using rmarkdown
Quitting from lines 100-114 (SBSS.Rmd) 
Error: processing vignette 'SBSS.Rmd' failed with diagnostics:
The package RandomFields is needed to run this example.
--- failed re-building ‘SBSS.Rmd’

SUMMARY: processing the following file failed:
  ‘SBSS.Rmd’

Error: Vignette re-building failed.
Execution halted
Package suggested but not available for checking: ‘RandomFields’
Running examples in ‘SpatialBSS-Ex.R’ failed
The error most likely occurred in:

> ### Name: local_covariance_matrix
> ### Title: Computation of Local Covariance Matrices
> ### Aliases: local_covariance_matrix
> 
> ### ** Examples
> 
> # simulate coordinates
> coords <- runif(1000 * 2) * 20
> dim(coords) <- c(1000, 2)
> 
> # simulate random field
> if (!requireNamespace('RandomFields', quietly = TRUE)) {
+   stop('Please install the package RandomFields to run the example code.')
+ } else {
+   RandomFields::RFoptions(spConform = FALSE)
+   field_1 <- RandomFields::RFsimulate(model = RandomFields::RMexp(), 
+                                       x = coords)
+   field_2 <- RandomFields::RFsimulate(model = RandomFields::RMspheric(), 
+                                       x = coords)
+   field_3 <- RandomFields::RFsimulate(model = RandomFields::RMwhittle(nu = 2),  
+                                       x = coords)
+   field <- cbind(field_1, field_2, field_3)
+ }
Error: Please install the package RandomFields to run the example code.
Execution halted
Error(s) in re-building vignettes:
  ...
--- re-building ‘SBSS.Rmd’ using rmarkdown
Pandoc is required to build R Markdown vignettes but not available. Please make sure it is installed.
Quitting from lines 100-114 (SBSS.Rmd) 
Error: processing vignette 'SBSS.Rmd' failed with diagnostics:
The package RandomFields is needed to run this example.
--- failed re-building ‘SBSS.Rmd’

SUMMARY: processing the following file failed:
  ‘SBSS.Rmd’

Error: Vignette re-building failed.
Execution halted