Error(s) in re-building vignettes:
  ...
--- re-building ‘gf-squareplot.Rmd’ using rmarkdown

Quitting from gf-squareplot.Rmd:106-114 [dgp]
~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
<error/rlang_error>
Error in `gf_squareplot()`:
! `x` must be numeric.
---
Backtrace:
    ▆
 1. └─coursekata::gf_squareplot(...)
~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~

Error: processing vignette 'gf-squareplot.Rmd' failed with diagnostics:
`x` must be numeric.
--- failed re-building ‘gf-squareplot.Rmd’

SUMMARY: processing the following file failed:
  ‘gf-squareplot.Rmd’

Error: Vignette re-building failed.
Execution halted
Error(s) in re-building vignettes:
  ...
--- re-building ‘gf-squareplot.Rmd’ using rmarkdown

Quitting from gf-squareplot.Rmd:106-114 [dgp]
~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
<error/rlang_error>
Error in `gf_squareplot()`:
! `x` must be numeric.
---
Backtrace:
    ▆
 1. └─coursekata::gf_squareplot(...)
~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~

Error: processing vignette 'gf-squareplot.Rmd' failed with diagnostics:
`x` must be numeric.
--- failed re-building ‘gf-squareplot.Rmd’

SUMMARY: processing the following file failed:
  ‘gf-squareplot.Rmd’

Error: Vignette re-building failed.
Execution halted
Error(s) in re-building vignettes:
--- re-building ‘gf-squareplot.Rmd’ using rmarkdown

Quitting from gf-squareplot.Rmd:106-114 [dgp]
~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
<error/rlang_error>
Error in `gf_squareplot()`:
! `x` must be numeric.
---
Backtrace:
    ▆
 1. └─coursekata::gf_squareplot(...)
~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~

Error: processing vignette 'gf-squareplot.Rmd' failed with diagnostics:
`x` must be numeric.
--- failed re-building ‘gf-squareplot.Rmd’

SUMMARY: processing the following file failed:
  ‘gf-squareplot.Rmd’

Error: Vignette re-building failed.
Execution halted
Error(s) in re-building vignettes:
--- re-building ‘gf-squareplot.Rmd’ using rmarkdown

Quitting from gf-squareplot.Rmd:106-114 [dgp]
~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
<error/rlang_error>
Error in `gf_squareplot()`:
! `x` must be numeric.
---
Backtrace:
    ▆
 1. └─coursekata::gf_squareplot(...)
~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~

Error: processing vignette 'gf-squareplot.Rmd' failed with diagnostics:
`x` must be numeric.
--- failed re-building ‘gf-squareplot.Rmd’

SUMMARY: processing the following file failed:
  ‘gf-squareplot.Rmd’

Error: Vignette re-building failed.
Execution halted
Error(s) in re-building vignettes:
--- re-building 'gf-squareplot.Rmd' using rmarkdown

Quitting from gf-squareplot.Rmd:106-114 [dgp]
~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
<error/rlang_error>
Error in `gf_squareplot()`:
! `x` must be numeric.
---
Backtrace:
    ▆
 1. └─coursekata::gf_squareplot(...)
~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~

Error: processing vignette 'gf-squareplot.Rmd' failed with diagnostics:
`x` must be numeric.
--- failed re-building 'gf-squareplot.Rmd'

SUMMARY: processing the following file failed:
  'gf-squareplot.Rmd'

Error: Vignette re-building failed.
Execution halted
Error(s) in re-building vignettes:
  ...
--- re-building ‘gf-squareplot.Rmd’ using rmarkdown

Quitting from gf-squareplot.Rmd:106-114 [dgp]
~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
<error/rlang_error>
Error in `gf_squareplot()`:
! `x` must be numeric.
---
Backtrace:
    ▆
 1. └─coursekata::gf_squareplot(...)
~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~

Error: processing vignette 'gf-squareplot.Rmd' failed with diagnostics:
`x` must be numeric.
--- failed re-building ‘gf-squareplot.Rmd’

SUMMARY: processing the following file failed:
  ‘gf-squareplot.Rmd’

Error: Vignette re-building failed.
Execution halted
Error(s) in re-building vignettes:
  ...
--- re-building ‘gf-squareplot.Rmd’ using rmarkdown

Quitting from gf-squareplot.Rmd:106-114 [dgp]
~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
<error/rlang_error>
Error in `gf_squareplot()`:
! `x` must be numeric.
---
Backtrace:
    ▆
 1. └─coursekata::gf_squareplot(...)
~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~

Error: processing vignette 'gf-squareplot.Rmd' failed with diagnostics:
`x` must be numeric.
--- failed re-building ‘gf-squareplot.Rmd’

SUMMARY: processing the following file failed:
  ‘gf-squareplot.Rmd’

Error: Vignette re-building failed.
Execution halted
Error(s) in re-building vignettes:
--- re-building ‘gf-squareplot.Rmd’ using rmarkdown

Quitting from gf-squareplot.Rmd:106-114 [dgp]
~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
<error/rlang_error>
Error in `gf_squareplot()`:
! `x` must be numeric.
---
Backtrace:
    ▆
 1. └─coursekata::gf_squareplot(...)
~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~

Error: processing vignette 'gf-squareplot.Rmd' failed with diagnostics:
`x` must be numeric.
--- failed re-building ‘gf-squareplot.Rmd’

SUMMARY: processing the following file failed:
  ‘gf-squareplot.Rmd’

Error: Vignette re-building failed.
Execution halted
Error(s) in re-building vignettes:
--- re-building 'gf-squareplot.Rmd' using rmarkdown

Quitting from gf-squareplot.Rmd:106-114 [dgp]
~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
<error/rlang_error>
Error in `gf_squareplot()`:
! `x` must be numeric.
---
Backtrace:
    ▆
 1. └─coursekata::gf_squareplot(...)
~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~

Error: processing vignette 'gf-squareplot.Rmd' failed with diagnostics:
`x` must be numeric.
--- failed re-building 'gf-squareplot.Rmd'

SUMMARY: processing the following file failed:
  'gf-squareplot.Rmd'

Error: Vignette re-building failed.
Execution halted
Error(s) in re-building vignettes:
--- re-building 'gf-squareplot.Rmd' using rmarkdown

Quitting from gf-squareplot.Rmd:106-114 [dgp]
~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
<error/rlang_error>
Error in `gf_squareplot()`:
! `x` must be numeric.
---
Backtrace:
    ▆
 1. └─coursekata::gf_squareplot(...)
~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~

Error: processing vignette 'gf-squareplot.Rmd' failed with diagnostics:
`x` must be numeric.
--- failed re-building 'gf-squareplot.Rmd'

SUMMARY: processing the following file failed:
  'gf-squareplot.Rmd'

Error: Vignette re-building failed.
Execution halted