Error(s) in re-building vignettes:
  ...
--- re-building 'quickstart.Rmd' using rmarkdown
Package version: 3.2.1
Unicode version: 13.0
ICU version: 67.1
Parallel computing: 4 of 32 threads used.
See https://quanteda.io for tutorials and examples.

Attaching package: 'dplyr'

The following objects are masked from 'package:stats':

    filter, lag

The following objects are masked from 'package:base':

    intersect, setdiff, setequal, union

Creating a dfm from a tokens input...
 ...lowercasing
 ...found 400 documents, 4,836 features
 ...complete, elapsed time: 0.185 seconds.
Finished constructing a 400 x 4,836 sparse dfm.
Could not fetch https://latex.codecogs.com/png.image?%5Cdpi%7B110%7D&space;%5Cbg_white&space;1
HttpExceptionRequest Request {
  host                 = "latex.codecogs.com"
  port                 = 443
  secure               = True
  requestHeaders       = []
  path                 = "/png.image"
  queryString          = "?%5Cdpi%7B110%7D&space;%5Cbg_white&space;1"
  method               = "GET"
  proxy                = Nothing
  rawBody              = False
  redirectCount        = 10
  responseTimeout      = ResponseTimeoutDefault
  requestVersion       = HTTP/1.1
}
 (InternalException (HostCannotConnect "latex.codecogs.com" [Network.Socket.connect: <socket: 14>: does not exist (Connection refused)]))
Error: processing vignette 'quickstart.Rmd' failed with diagnostics:
pandoc document conversion failed with error 61
--- failed re-building 'quickstart.Rmd'

SUMMARY: processing the following file failed:
  'quickstart.Rmd'

Error: Vignette re-building failed.
Execution halted
Error(s) in re-building vignettes:
  ...
--- re-building ‘quickstart.Rmd’ using rmarkdown
Package version: 3.2.1
Unicode version: 13.0
ICU version: 67.1
Parallel computing: 4 of 32 threads used.
See https://quanteda.io for tutorials and examples.

Attaching package: 'dplyr'

The following objects are masked from 'package:stats':

    filter, lag

The following objects are masked from 'package:base':

    intersect, setdiff, setequal, union

Creating a dfm from a tokens input...
 ...lowercasing
 ...found 400 documents, 4,836 features
 ...complete, elapsed time: 0.189 seconds.
Finished constructing a 400 x 4,836 sparse dfm.
Could not fetch https://latex.codecogs.com/png.image?%5Cdpi%7B110%7D&space;%5Cbg_white&space;N
HttpExceptionRequest Request {
  host                 = "latex.codecogs.com"
  port                 = 443
  secure               = True
  requestHeaders       = []
  path                 = "/png.image"
  queryString          = "?%5Cdpi%7B110%7D&space;%5Cbg_white&space;N"
  method               = "GET"
  proxy                = Nothing
  rawBody              = False
  redirectCount        = 10
  responseTimeout      = ResponseTimeoutDefault
  requestVersion       = HTTP/1.1
}
 (InternalException (HostCannotConnect "latex.codecogs.com" [Network.Socket.connect: <socket: 14>: does not exist (Connection refused)]))
Error: processing vignette ‘quickstart.Rmd’ failed with diagnostics:
pandoc document conversion failed with error 61
--- failed re-building ‘quickstart.Rmd’

SUMMARY: processing the following file failed:
  ‘quickstart.Rmd’

Error: Vignette re-building failed.
Execution halted
Error(s) in re-building vignettes:
--- re-building ‘quickstart.Rmd’ using rmarkdown
Package version: 3.2.1
Unicode version: 13.0
ICU version: 67.1
Parallel computing: 24 of 24 threads used.
See https://quanteda.io for tutorials and examples.

Attaching package: 'dplyr'

The following objects are masked from 'package:stats':

    filter, lag

The following objects are masked from 'package:base':

    intersect, setdiff, setequal, union

Creating a dfm from a tokens input...
 ...lowercasing
 ...found 400 documents, 4,836 features
 ...complete, elapsed time: 0.177 seconds.
Finished constructing a 400 x 4,836 sparse dfm.
Could not fetch https://latex.codecogs.com/png.image?%5Cdpi%7B110%7D&space;%5Cbg_white&space;1
HttpExceptionRequest Request {
  host                 = "latex.codecogs.com"
  port                 = 443
  secure               = True
  requestHeaders       = []
  path                 = "/png.image"
  queryString          = "?%5Cdpi%7B110%7D&space;%5Cbg_white&space;1"
  method               = "GET"
  proxy                = Nothing
  rawBody              = False
  redirectCount        = 10
  responseTimeout      = ResponseTimeoutDefault
  requestVersion       = HTTP/1.1
}
 (InternalException (HostCannotConnect "latex.codecogs.com" [Network.Socket.connect: <socket: 14>: does not exist (Connection refused)]))
Error: processing vignette 'quickstart.Rmd' failed with diagnostics:
pandoc document conversion failed with error 61
--- failed re-building ‘quickstart.Rmd’

SUMMARY: processing the following file failed:
  ‘quickstart.Rmd’

Error: Vignette re-building failed.
Execution halted
Packages required but not available:
  'dplyr', 'quanteda', 'text2vec', 'reshape2', 'fastDummies',
  'stringr', 'ggplot2'

Packages suggested but not available for checking: 'knitr', 'rmarkdown'

VignetteBuilder package required for checking but not installed: 'knitr'

See section 'The DESCRIPTION file' in the 'Writing R Extensions'
manual.
Error(s) in re-building vignettes:
  ...
--- re-building ‘quickstart.Rmd’ using rmarkdown
Package version: 3.2.1
Unicode version: 13.0
ICU version: 67.1
Parallel computing: 4 of 32 threads used.
See https://quanteda.io for tutorials and examples.

Attaching package: 'dplyr'

The following objects are masked from 'package:stats':

    filter, lag

The following objects are masked from 'package:base':

    intersect, setdiff, setequal, union

Creating a dfm from a tokens input...
 ...lowercasing
 ...found 400 documents, 4,836 features
 ...complete, elapsed time: 0.199 seconds.
Finished constructing a 400 x 4,836 sparse dfm.
Could not fetch https://latex.codecogs.com/png.image?%5Cdpi%7B110%7D&space;%5Cbg_white&space;1
HttpExceptionRequest Request {
  host                 = "latex.codecogs.com"
  port                 = 443
  secure               = True
  requestHeaders       = []
  path                 = "/png.image"
  queryString          = "?%5Cdpi%7B110%7D&space;%5Cbg_white&space;1"
  method               = "GET"
  proxy                = Nothing
  rawBody              = False
  redirectCount        = 10
  responseTimeout      = ResponseTimeoutDefault
  requestVersion       = HTTP/1.1
}
 (InternalException (HostCannotConnect "latex.codecogs.com" [Network.Socket.connect: <socket: 14>: does not exist (Connection refused)]))
Error: processing vignette ‘quickstart.Rmd’ failed with diagnostics:
pandoc document conversion failed with error 61
--- failed re-building ‘quickstart.Rmd’

SUMMARY: processing the following file failed:
  ‘quickstart.Rmd’

Error: Vignette re-building failed.
Execution halted
Error(s) in re-building vignettes:
--- re-building 'quickstart.Rmd' using rmarkdown
Error: processing vignette 'quickstart.Rmd' failed with diagnostics:
only `math_method = 'mathjax'` is supported with earlier version than Pandoc 2.0 
--- failed re-building 'quickstart.Rmd'

SUMMARY: processing the following file failed:
  'quickstart.Rmd'

Error: Vignette re-building failed.
Execution halted
Error(s) in re-building vignettes:
--- re-building 'quickstart.Rmd' using rmarkdown
Error: processing vignette 'quickstart.Rmd' failed with diagnostics:
only `math_method = 'mathjax'` is supported with earlier version than Pandoc 2.0 
--- failed re-building 'quickstart.Rmd'

SUMMARY: processing the following file failed:
  'quickstart.Rmd'

Error: Vignette re-building failed.
Execution halted