Error(s) in re-building vignettes:
--- re-building ‘FLAM_canada.Rnw’ using knitr
Error: processing vignette 'FLAM_canada.Rnw' failed with diagnostics:
Running 'texi2dvi' on 'FLAM_canada.tex' failed.
LaTeX errors:
! LaTeX Error: File `relsize.sty' not found.

Type X to quit or <RETURN> to proceed,
or enter new name. (Default extension: sty)

! Emergency stop.
<read *> 
         
l.84 ^^M
        
!  ==> Fatal error occurred, no output PDF file produced!
--- failed re-building ‘FLAM_canada.Rnw’

--- re-building ‘FLAM_fuel.Rnw’ using knitr
Error: processing vignette 'FLAM_fuel.Rnw' failed with diagnostics:
Running 'texi2dvi' on 'FLAM_fuel.tex' failed.
LaTeX errors:
! LaTeX Error: File `relsize.sty' not found.

Type X to quit or <RETURN> to proceed,
or enter new name. (Default extension: sty)

! Emergency stop.
<read *> 
         
l.84 ^^M
        
!  ==> Fatal error occurred, no output PDF file produced!
--- failed re-building ‘FLAM_fuel.Rnw’

--- re-building ‘FLAM_viscosity.Rnw’ using knitr
Error: processing vignette 'FLAM_viscosity.Rnw' failed with diagnostics:
Running 'texi2dvi' on 'FLAM_viscosity.tex' failed.
LaTeX errors:
! LaTeX Error: File `relsize.sty' not found.

Type X to quit or <RETURN> to proceed,
or enter new name. (Default extension: sty)

! Emergency stop.
<read *> 
         
l.84 ^^M
        
!  ==> Fatal error occurred, no output PDF file produced!
--- failed re-building ‘FLAM_viscosity.Rnw’

--- re-building ‘density-on-scalar_birth.Rnw’ using knitr
Error: processing vignette 'density-on-scalar_birth.Rnw' failed with diagnostics:
Running 'texi2dvi' on 'density-on-scalar_birth.tex' failed.
LaTeX errors:
! LaTeX Error: File `dsfont.sty' not found.

Type X to quit or <RETURN> to proceed,
or enter new name. (Default extension: sty)

! Emergency stop.
<read *> 
         
l.65 \usepackage
                {bbm}^^M
!  ==> Fatal error occurred, no output PDF file produced!
--- failed re-building ‘density-on-scalar_birth.Rnw’

SUMMARY: processing the following files failed:
  ‘FLAM_canada.Rnw’ ‘FLAM_fuel.Rnw’ ‘FLAM_viscosity.Rnw’
  ‘density-on-scalar_birth.Rnw’

Error: Vignette re-building failed.
Execution halted