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

> ### Name: fit.vgmModel,formula,data.frame,SpatialPixelsDataFrame-method
> ### Title: Fit variogram using point data
> ### Aliases: fit.vgmModel,formula,data.frame,SpatialPixelsDataFrame-method
> ###   fit.vgmModel
> 
> ### ** Examples
> 
> library(raster)
Loading required package: sp
> library(rgdal)
Please note that rgdal will be retired by the end of 2023,
plan transition to sf/stars/terra functions using GDAL and PROJ
at your earliest convenience.

rgdal: version: 1.5-27, (SVN revision 1148)
Geospatial Data Abstraction Library extensions to R successfully loaded
Loaded GDAL runtime: GDAL 3.0.4, released 2020/01/28
Path to GDAL shared files: /usr/share/gdal
GDAL binary built with GEOS: TRUE 
Loaded PROJ runtime: Rel. 6.3.2, May 1st, 2020, [PJ_VERSION: 632]
Path to PROJ shared files: /usr/share/proj
Linking to sp version:1.4-5
To mute warnings of possible GDAL/OSR exportToProj4() degradation,
use options("rgdal_show_exportToProj4_warnings"="none") before loading sp or rgdal.
> library(geoR)
Error in library(geoR) : there is no package called ‘geoR’
Execution halted
Running examples in ‘landmap-Ex.R’ failed
The error most likely occurred in:

> ### Name: fit.vgmModel,formula,data.frame,SpatialPixelsDataFrame-method
> ### Title: Fit variogram using point data
> ### Aliases: fit.vgmModel,formula,data.frame,SpatialPixelsDataFrame-method
> ###   fit.vgmModel
> 
> ### ** Examples
> 
> library(raster)
Loading required package: sp
> library(rgdal)
Please note that rgdal will be retired by the end of 2023,
plan transition to sf/stars/terra functions using GDAL and PROJ
at your earliest convenience.

rgdal: version: 1.5-27, (SVN revision 1148)
Geospatial Data Abstraction Library extensions to R successfully loaded
Loaded GDAL runtime: GDAL 2.4.4, released 2020/01/08
Path to GDAL shared files: /usr/local/share/gdal
GDAL binary built with GEOS: TRUE 
Loaded PROJ runtime: Rel. 5.2.0, September 15th, 2018, [PJ_VERSION: 520]
Path to PROJ shared files: (autodetected)
Linking to sp version:1.4-5
> library(geoR)
Error in library(geoR) : there is no package called ‘geoR’
Execution halted