Namespaces in Imports field not imported from:
  ‘e1071’ ‘knitr’
  All declared Imports should be used.
Namespaces in Imports field not imported from:
  ‘e1071’ ‘knitr’
  All declared Imports should be used.
Error(s) in re-building vignettes:
--- re-building ‘how_simple_is_data_analysis_with_shinyr.Rmd’ using knitr
Failed to parse YAML:

title: "shinyr: Data Insights Through Inbuilt R Shiny App"
output: rmarkdown::html_vignette
%\VignetteEngine{knitr::knitr}
 ^~~~~~
%\VignetteIndexEntry{shinyr: Data Insights Through Inbuilt R Shiny App}
%\usepackage[utf8]{inputenc}

Error: processing vignette 'how_simple_is_data_analysis_with_shinyr.Rmd' failed with diagnostics:
Scanner error: while scanning a directive at line 3, column 1 could not find expected directive name at line 3, column 2

--- failed re-building ‘how_simple_is_data_analysis_with_shinyr.Rmd’

--- re-building ‘shiny_app.Rmd’ using knitr
Failed to parse YAML:

title: "shinyr - Basic Example"
runtime: shiny
output: rmarkdown::html_vignette
%\VignetteEngine{knitr::knitr}
 ^~~~~~
%\VignetteIndexEntry{shinyr - Basic Example}
%\usepackage[utf8]{inputenc}

Error: processing vignette 'shiny_app.Rmd' failed with diagnostics:
Scanner error: while scanning a directive at line 4, column 1 could not find expected directive name at line 4, column 2

--- failed re-building ‘shiny_app.Rmd’

--- re-building ‘shinyr_function_usage.Rmd’ using knitr
Failed to parse YAML:

title: shinyr - an R package to build analytics dashboard automatically
output: rmarkdown::html_vignette
%\VignetteEngine{knitr::knitr}
 ^~~~~~
%\VignetteIndexEntry{shinyr - an R package to build analytics dashboard automatically}
%\usepackage[utf8]{inputenc}

Error: processing vignette 'shinyr_function_usage.Rmd' failed with diagnostics:
Scanner error: while scanning a directive at line 3, column 1 could not find expected directive name at line 3, column 2

--- failed re-building ‘shinyr_function_usage.Rmd’

SUMMARY: processing the following files failed:
  ‘how_simple_is_data_analysis_with_shinyr.Rmd’ ‘shiny_app.Rmd’
  ‘shinyr_function_usage.Rmd’

Error: Vignette re-building failed.
Execution halted