Error(s) in re-building vignettes:
--- re-building ‘ssfavignette.Rnw’ using Sweave
Loading required package: Matrix
Loading required package: maxLik
Loading required package: miscTools

Please cite the 'maxLik' package as:
Henningsen, Arne and Toomet, Ott (2011). maxLik: A package for maximum likelihood estimation in R. Computational Statistics 26(3), 443-458. DOI 10.1007/s00180-010-0217-1.

If you have questions, suggestions, or comments regarding the 'maxLik' package, please use a forum or 'tracker' at maxLik's R-Forge site:
https://r-forge.r-project.org/projects/maxlik/
Loading required package: spdep
Loading required package: sp
Loading required package: spData
To access larger datasets in this package, install the spDataLarge
package with: `install.packages('spDataLarge',
repos='https://nowosad.github.io/drat/', type='source')`
Loading required package: sf
Linking to GEOS 3.7.1, GDAL 2.3.2, PROJ 5.2.0
Error: processing vignette 'ssfavignette.Rnw' failed with diagnostics:
Running 'texi2dvi' on 'ssfavignette.tex' failed.
LaTeX errors:
! Undefined control sequence.
\Ginclude@graphics ...\Ginput@path \set@curr@file 
                                                  {#1}\edef \uq@curr@file {\...
l.117 \includegraphics{ssfavignette-fig1}
                                         
! Undefined control sequence.
\Ginclude@graphics ...e \expandafter {\@curr@file 
                                                  }}\expandafter \filename@p...
l.117 \includegraphics{ssfavignette-fig1}
                                         
! Undefined control sequence.
<recently read> \unquote@name 
                              
l.117 \includegraphics{ssfavignette-fig1}
                                         
! Undefined control sequence.
<recently read> \quote@name 
                            
l.117 \includegraphics{ssfavignette-fig1}
                                         
! Undefined control sequence.
<recently read> \quote@name 
                            
l.117 \includegraphics{ssfavignette-fig1}
                                         
! LaTeX Error: File `ssfavignette-fig1' not found.

See the LaTeX manual or LaTeX Companion for explanation.
Type  H <return>  for immediate help.
 ...                                              
! Undefined control sequence.
\Ginclude@graphics ...\Ginput@path \set@curr@file 
                                                  {#1}\edef \uq@curr@file {\...
l.205 \includegraphics{ssfavignette-fig2}
                                         
! Undefined control sequence.
\Ginclude@graphics ...e \expandafter {\@curr@file 
                                                  }}\expandafter \filename@p...
l.205 \includegraphics{ssfavignette-fig2}
                                         
! Undefined control sequence.
<recently read> \unquote@name 
                              
l.205 \includegraphics{ssfavignette-fig2}
                                         
! Undefined control sequence.
<recently read> \quote@name 
                            
l.205 \includegraphics{ssfavignette-fig2}
                                         
! Undefined control sequence.
<recently read> \quote@name 
                            
l.205 \includegraphics{ssfavignette-fig2}
                                         
! LaTeX Error: File `ssfavignette-fig2' not found.

See the LaTeX manual or LaTeX Companion for explanation.
Type  H <return>  for immediate help.
 ...                                              
! Undefined control sequence.
\Ginclude@graphics ...\Ginput@path \set@curr@file 
                                                  {#1}\edef \uq@curr@file {\...
l.293 \includegraphics{ssfavignette-fig3}
                                         
! Undefined control sequence.
\Ginclude@graphics ...e \expandafter {\@curr@file 
                                                  }}\expandafter \filename@p...
l.293 \includegraphics{ssfavignette-fig3}
                                         
! Undefined control sequence.
<recently read> \unquote@name 
                              
l.293 \includegraphics{ssfavignette-fig3}
                                         
! Undefined control sequence.
<recently read> \quote@name 
                            
l.293 \includegraphics{ssfavignette-fig3}
                                         
! Undefined control sequence.
<recently read> \quote@name 
                            
l.293 \includegraphics{ssfavignette-fig3}
                                         
! LaTeX Error: File `ssfavignette-fig3' not found.

See the LaTeX manual or LaTeX Companion for explanation.
Type  H <return>  for immediate help.
 ...                                              
! Undefined control sequence.
\Ginclude@graphics ...\Ginput@path \set@curr@file 
                                                  {#1}\edef \uq@curr@file {\...
l.332 \includegraphics{ssfavignette-fig4}
                                         
! Undefined control sequence.
\Ginclude@graphics ...e \expandafter {\@curr@file 
                                                  }}\expandafter \filename@p...
l.332 \includegraphics{ssfavignette-fig4}
                                         
! Undefined control sequence.
<recently read> \unquote@name 
                              
l.332 \includegraphics{ssfavignette-fig4}
                                         
! Undefined control sequence.
<recently read> \quote@name 
                            
l.332 \includegraphics{ssfavignette-fig4}
                                         
! Undefined control sequence.
<recently read> \quote@name 
                            
l.332 \includegraphics{ssfavignette-fig4}
                                         
! LaTeX Error: File `ssfavignette-fig4' not found.

See the LaTeX manual or LaTeX Companion for explanation.
Type  H <return>  for immediate help.
 ...                                              
! Undefined control sequence.
\Ginclude@graphics ...\Ginput@path \set@curr@file 
                                                  {#1}\edef \uq@curr@file {\...
l.349 ...m 1cm 2cm, clip=true]{SFA_residuals_map}}
                                                  \qquad
! Missing $ inserted.
<inserted text> 
                $
l.349 ...m 1cm 2cm, clip=true]{SFA_residuals_map}}
                                                  \qquad
! Extra }, or forgotten $.
\Ginclude@graphics ...put@path \set@curr@file {#1}
                                                  \edef \uq@curr@file {\expa...
l.349 ...m 1cm 2cm, clip=true]{SFA_residuals_map}}
                                                  \qquad
! Undefined control sequence.
\Ginclude@graphics ...e \expandafter {\@curr@file 
                                                  }}\expandafter \filename@p...
l.349 ...m 1cm 2cm, clip=true]{SFA_residuals_map}}
                                                  \qquad
! Undefined control sequence.
<recently read> \unquote@name 
                              
l.349 ...m 1cm 2cm, clip=true]{SFA_residuals_map}}
                                                  \qquad
! Undefined control sequence.
<recently read> \quote@name 
                            
l.349 ...m 1cm 2cm, clip=true]{SFA_residuals_map}}
                                                  \qquad
! Undefined control sequence.
<recently read> \quote@name 
                            
l.349 ...m 1cm 2cm, clip=true]{SFA_residuals_map}}
                                                  \qquad
! LaTeX Error: File `SFA_residuals_map' not found.

See the LaTeX manual or LaTeX Companion for explanation.
Type  H <return>  for immediate help.
 ...                                              
! Missing $ inserted.
<inserted text> 
                $
l.349 ...m 1cm 2cm, clip=true]{SFA_residuals_map}}
                                                  \qquad
! Missing } inserted.
<inserted text> 
                }
l.349 ...m 1cm 2cm, clip=true]{SFA_residuals_map}}
                                                  \qquad
! Undefined control sequence.
\Ginclude@graphics ...\Ginput@path \set@curr@file 
                                                  {#1}\edef \uq@curr@file {\...
l.350 ... 1cm 2cm, clip=true]{SSFA_residuals_map}}
                                                  
! Missing $ inserted.
<inserted text> 
                $
l.350 ... 1cm 2cm, clip=true]{SSFA_residuals_map}}
                                                  
! Extra }, or forgotten $.
\Ginclude@graphics ...put@path \set@curr@file {#1}
                                                  \edef \uq@curr@file {\expa...
l.350 ... 1cm 2cm, clip=true]{SSFA_residuals_map}}
                                                  
! Undefined control sequence.
\Ginclude@graphics ...e \expandafter {\@curr@file 
                                                  }}\expandafter \filename@p...
l.350 ... 1cm 2cm, clip=true]{SSFA_residuals_map}}
                                                  
! Undefined control sequence.
<recently read> \unquote@name 
                              
l.350 ... 1cm 2cm, clip=true]{SSFA_residuals_map}}
                                                  
! Undefined control sequence.
<recently read> \quote@name 
        
--- failed re-building ‘ssfavignette.Rnw’

SUMMARY: processing the following file failed:
  ‘ssfavignette.Rnw’

Error: Vignette re-building failed.
Execution halted