Error(s) in re-building vignettes:
  ...
--- re-building ‘ggeffects.Rmd’ using rmarkdown
Warning in engine$weave(file, quiet = quiet, encoding = enc) :
  Pandoc (>= 1.12.3) and/or pandoc-citeproc not available. Falling back to R Markdown v1.
Quitting from lines 80-81 (ggeffects.Rmd) 
Error: processing vignette 'ggeffects.Rmd' failed with diagnostics:
object 'is_tagged_na_' not found
--- failed re-building ‘ggeffects.Rmd’

--- re-building ‘introduction_effectsatvalues.Rmd’ using rmarkdown
Warning in engine$weave(file, quiet = quiet, encoding = enc) :
  Pandoc (>= 1.12.3) and/or pandoc-citeproc not available. Falling back to R Markdown v1.
Quitting from lines 51-59 (introduction_effectsatvalues.Rmd) 
Error: processing vignette 'introduction_effectsatvalues.Rmd' failed with diagnostics:
object 'is_tagged_na_' not found
--- failed re-building ‘introduction_effectsatvalues.Rmd’

--- re-building ‘introduction_partial_residuals.Rmd’ using rmarkdown
Warning in engine$weave(file, quiet = quiet, encoding = enc) :
  Pandoc (>= 1.12.3) and/or pandoc-citeproc not available. Falling back to R Markdown v1.
`geom_smooth()` using formula 'y ~ x'
`geom_smooth()` using formula 'y ~ x'
Warning in simpleLoess(y, x, w, span, degree = degree, parametric = parametric,  :
  pseudoinverse used at 10
Warning in simpleLoess(y, x, w, span, degree = degree, parametric = parametric,  :
  neighborhood radius 1
Warning in simpleLoess(y, x, w, span, degree = degree, parametric = parametric,  :
  reciprocal condition number  0
Warning in simpleLoess(y, x, w, span, degree = degree, parametric = parametric,  :
  pseudoinverse used at 10
Warning in simpleLoess(y, x, w, span, degree = degree, parametric = parametric,  :
  neighborhood radius 1
Warning in simpleLoess(y, x, w, span, degree = degree, parametric = parametric,  :
  reciprocal condition number  0
Warning in simpleLoess(y, x, w, span, degree = degree, parametric = parametric,  :
  pseudoinverse used at 7.975
Warning in simpleLoess(y, x, w, span, degree = degree, parametric = parametric,  :
  neighborhood radius 2.025
Warning in simpleLoess(y, x, w, span, degree = degree, parametric = parametric,  :
  reciprocal condition number  8.5301e-17
Warning in simpleLoess(y, x, w, span, degree = degree, parametric = parametric,  :
  There are other near singularities as well. 1
`geom_smooth()` using formula 'y ~ x'
Warning in simpleLoess(y, x, w, span, degree = degree, parametric = parametric,  :
  pseudoinverse used at 10
Warning in simpleLoess(y, x, w, span, degree = degree, parametric = parametric,  :
  neighborhood radius 1
Warning in simpleLoess(y, x, w, span, degree = degree, parametric = parametric,  :
  reciprocal condition number  0
Warning in simpleLoess(y, x, w, span, degree = degree, parametric = parametric,  :
  pseudoinverse used at 10
Warning in simpleLoess(y, x, w, span, degree = degree, parametric = parametric,  :
  neighborhood radius 1
Warning in simpleLoess(y, x, w, span, degree = degree, parametric = parametric,  :
  reciprocal condition number  0
Warning in simpleLoess(y, x, w, span, degree = degree, parametric = parametric,  :
  pseudoinverse used at 7.975
Warning in simpleLoess(y, x, w, span, degree = degree, parametric = parametric,  :
  neighborhood radius 2.025
Warning in simpleLoess(y, x, w, span, degree = degree, parametric = parametric,  :
  reciprocal condition number  8.5301e-17
Warning in simpleLoess(y, x, w, span, degree = degree, parametric = parametric,  :
  There are other near singularities as well. 1
--- finished re-building ‘introduction_partial_residuals.Rmd’

--- re-building ‘introduction_plotcustomize.Rmd’ using rmarkdown
Warning in engine$weave(file, quiet = quiet, encoding = enc) :
  Pandoc (>= 1.12.3) and/or pandoc-citeproc not available. Falling back to R Markdown v1.
Scale for 'x' is already present. Adding another scale for 'x', which will replace the existing scale.
Scale for 'colour' is already present. Adding another scale for 'colour', which will replace the existing scale.
--- finished re-building ‘introduction_plotcustomize.Rmd’

--- re-building ‘introduction_plotmethod.Rmd’ using rmarkdown
Warning in engine$weave(file, quiet = quiet, encoding = enc) :
  Pandoc (>= 1.12.3) and/or pandoc-citeproc not available. Falling back to R Markdown v1.
Quitting from lines 32-37 (introduction_plotmethod.Rmd) 
Error: processing vignette 'introduction_plotmethod.Rmd' failed with diagnostics:
object 'is_tagged_na_' not found
--- failed re-building ‘introduction_plotmethod.Rmd’

--- re-building ‘introduction_randomeffects.Rmd’ using rmarkdown
Warning in engine$weave(file, quiet = quiet, encoding = enc) :
  Pandoc (>= 1.12.3) and/or pandoc-citeproc not available. Falling back to R Markdown v1.
Loading required package: Matrix
Intervals are prediction intervals.
Intervals are prediction intervals.
Standard errors are on the link-scale (untransformed).
Standard errors are on the link-scale (untransformed).
Intervals are prediction intervals.
Standard errors are on the link-scale (untransformed).
Standard errors are on the link-scale (untransformed).
Intervals are prediction intervals.
Standard errors are on the link-scale (untransformed).
Quitting from lines 121-127 (introduction_randomeffects.Rmd) 
Error: processing vignette 'introduction_randomeffects.Rmd' failed with diagnostics:
object 'is_tagged_na_' not found
--- failed re-building ‘introduction_randomeffects.Rmd’

--- re-building ‘practical_logisticmixedmodel.Rmd’ using rmarkdown
Warning in engine$weave(file, quiet = quiet, encoding = enc) :
  Pandoc (>= 1.12.3) and/or pandoc-citeproc not available. Falling back to R Markdown v1.
Loading required package: Matrix
Loading required namespace: ggplot2
Data were 'prettified'. Consider using `terms="var_cont [all]"` to get smooth plots.
Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv,  :
  Model failed to converge with max|grad| = 0.0046526 (tol = 0.002, component 1)
Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv,  :
  Model is nearly unidentifiable: large eigenvalue ratio
 - Rescale variables?
--- finished re-building ‘practical_logisticmixedmodel.Rmd’

--- re-building ‘practical_robustestimation.Rmd’ using rmarkdown
Warning in engine$weave(file, quiet = quiet, encoding = enc) :
  Pandoc (>= 1.12.3) and/or pandoc-citeproc not available. Falling back to R Markdown v1.
Loading required namespace: ggplot2
--- finished re-building ‘practical_robustestimation.Rmd’

--- re-building ‘technical_differencepredictemmeans.Rmd’ using rmarkdown
Warning in engine$weave(file, quiet = quiet, encoding = enc) :
  Pandoc (>= 1.12.3) and/or pandoc-citeproc not available. Falling back to R Markdown v1.
Loading required namespace: emmeans
Quitting from lines 39-47 (technical_differencepredictemmeans.Rmd) 
Error: processing vignette 'technical_differencepredictemmeans.Rmd' failed with diagnostics:
object 'is_tagged_na_' not found
--- failed re-building ‘technical_differencepredictemmeans.Rmd’

--- re-building ‘technical_stata.Rmd’ using rmarkdown
Warning in engine$weave(file, quiet = quiet, encoding = enc) :
  Pandoc (>= 1.12.3) and/or pandoc-citeproc not available. Falling back to R Markdown v1.
Data were 'prettified'. Consider using `terms="var2 [all]"` to get smooth plots.
Loading required namespace: ggplot2
--- finished re-building ‘technical_stata.Rmd’

SUMMARY: processing the following files failed:
  ‘ggeffects.Rmd’ ‘introduction_effectsatvalues.Rmd’
  ‘introduction_plotmethod.Rmd’ ‘introduction_randomeffects.Rmd’
  ‘technical_differencepredictemmeans.Rmd’

Error: Vignette re-building failed.
Execution halted