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

Quitting from getting_started.Rmd:50-84 [unnamed-chunk-3]
~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
<error/rlang_error>
Error:
! object 'GDPC1' not found
---
Backtrace:
    ▆
 1. ├─... %>% dplyr::select(date, y, p)
 2. ├─dplyr::select(., date, y, p)
 3. ├─dplyr::mutate(...)
 4. ├─purrr::reduce(...)
 5. │ └─purrr:::reduce_impl(.x, .f, ..., .init = .init, .dir = .dir)
 6. │   └─purrr:::reduce_init(.x, .init, left = left, error_call = .purrr_error_call)
 7. │     └─rlang::is_empty(x)
 8. └─base::data.frame(GDPC1, date = zoo::index(GDPC1))
~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~

Error: processing vignette 'getting_started.Rmd' failed with diagnostics:
object 'GDPC1' not found
--- failed re-building ‘getting_started.Rmd’

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

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

Quitting from getting_started.Rmd:50-84 [unnamed-chunk-3]
~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
<error/rlang_error>
Error:
! object 'GDPC1' not found
---
Backtrace:
    ▆
 1. ├─... %>% dplyr::select(date, y, p)
 2. ├─dplyr::select(., date, y, p)
 3. ├─dplyr::mutate(...)
 4. ├─purrr::reduce(...)
 5. │ └─purrr:::reduce_impl(.x, .f, ..., .init = .init, .dir = .dir)
 6. │   └─purrr:::reduce_init(.x, .init, left = left, error_call = .purrr_error_call)
 7. │     └─rlang::is_empty(x)
 8. └─base::data.frame(GDPC1, date = zoo::index(GDPC1))
~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~

Error: processing vignette 'getting_started.Rmd' failed with diagnostics:
object 'GDPC1' not found
--- failed re-building ‘getting_started.Rmd’

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

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

Quitting from getting_started.Rmd:50-84 [unnamed-chunk-3]
~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
<error/rlang_error>
Error:
! object 'GDPC1' not found
---
Backtrace:
    ▆
 1. ├─... %>% dplyr::select(date, y, p)
 2. ├─dplyr::select(., date, y, p)
 3. ├─dplyr::mutate(...)
 4. ├─purrr::reduce(...)
 5. │ └─purrr:::reduce_impl(.x, .f, ..., .init = .init, .dir = .dir)
 6. │   └─purrr:::reduce_init(.x, .init, left = left, error_call = .purrr_error_call)
 7. │     └─rlang::is_empty(x)
 8. └─base::data.frame(GDPC1, date = zoo::index(GDPC1))
~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~

Error: processing vignette 'getting_started.Rmd' failed with diagnostics:
object 'GDPC1' not found
--- failed re-building ‘getting_started.Rmd’

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

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

Quitting from getting_started.Rmd:50-84 [unnamed-chunk-3]
~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
<error/rlang_error>
Error:
! object 'GDPC1' not found
---
Backtrace:
    ▆
 1. ├─... %>% dplyr::select(date, y, p)
 2. ├─dplyr::select(., date, y, p)
 3. ├─dplyr::mutate(...)
 4. ├─purrr::reduce(...)
 5. │ └─purrr:::reduce_impl(.x, .f, ..., .init = .init, .dir = .dir)
 6. │   └─purrr:::reduce_init(.x, .init, left = left, error_call = .purrr_error_call)
 7. │     └─rlang::is_empty(x)
 8. └─base::data.frame(GDPC1, date = zoo::index(GDPC1))
~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~

Error: processing vignette 'getting_started.Rmd' failed with diagnostics:
object 'GDPC1' not found
--- failed re-building ‘getting_started.Rmd’

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

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

Quitting from getting_started.Rmd:50-84 [unnamed-chunk-3]
~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
<error/rlang_error>
Error:
! object 'GDPC1' not found
---
Backtrace:
    ▆
 1. ├─... %>% dplyr::select(date, y, p)
 2. ├─dplyr::select(., date, y, p)
 3. ├─dplyr::mutate(...)
 4. ├─purrr::reduce(...)
 5. │ └─purrr:::reduce_impl(.x, .f, ..., .init = .init, .dir = .dir)
 6. │   └─purrr:::reduce_init(.x, .init, left = left, error_call = .purrr_error_call)
 7. │     └─rlang::is_empty(x)
 8. └─base::data.frame(GDPC1, date = zoo::index(GDPC1))
~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~

Error: processing vignette 'getting_started.Rmd' failed with diagnostics:
object 'GDPC1' not found
--- failed re-building 'getting_started.Rmd'

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

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

Quitting from getting_started.Rmd:50-84 [unnamed-chunk-3]
~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
<error/rlang_error>
Error:
! object 'GDPC1' not found
---
Backtrace:
    ▆
 1. ├─... %>% dplyr::select(date, y, p)
 2. ├─dplyr::select(., date, y, p)
 3. ├─dplyr::mutate(...)
 4. ├─purrr::reduce(...)
 5. │ └─purrr:::reduce_impl(.x, .f, ..., .init = .init, .dir = .dir)
 6. │   └─purrr:::reduce_init(.x, .init, left = left, error_call = .purrr_error_call)
 7. │     └─rlang::is_empty(x)
 8. └─base::data.frame(GDPC1, date = zoo::index(GDPC1))
~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~

Error: processing vignette 'getting_started.Rmd' failed with diagnostics:
object 'GDPC1' not found
--- failed re-building ‘getting_started.Rmd’

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

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

Quitting from getting_started.Rmd:50-84 [unnamed-chunk-3]
~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
<error/rlang_error>
Error:
! object 'GDPC1' not found
---
Backtrace:
    ▆
 1. ├─... %>% dplyr::select(date, y, p)
 2. ├─dplyr::select(., date, y, p)
 3. ├─dplyr::mutate(...)
 4. ├─purrr::reduce(...)
 5. │ └─purrr:::reduce_impl(.x, .f, ..., .init = .init, .dir = .dir)
 6. │   └─purrr:::reduce_init(.x, .init, left = left, error_call = .purrr_error_call)
 7. │     └─rlang::is_empty(x)
 8. └─base::data.frame(GDPC1, date = zoo::index(GDPC1))
~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~

Error: processing vignette 'getting_started.Rmd' failed with diagnostics:
object 'GDPC1' not found
--- failed re-building ‘getting_started.Rmd’

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

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

Quitting from getting_started.Rmd:50-84 [unnamed-chunk-3]
~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
<error/rlang_error>
Error:
! object 'GDPC1' not found
---
Backtrace:
    ▆
 1. ├─... %>% dplyr::select(date, y, p)
 2. ├─dplyr::select(., date, y, p)
 3. ├─dplyr::mutate(...)
 4. ├─purrr::reduce(...)
 5. │ └─purrr:::reduce_impl(.x, .f, ..., .init = .init, .dir = .dir)
 6. │   └─purrr:::reduce_init(.x, .init, left = left, error_call = .purrr_error_call)
 7. │     └─rlang::is_empty(x)
 8. └─base::data.frame(GDPC1, date = zoo::index(GDPC1))
~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~

Error: processing vignette 'getting_started.Rmd' failed with diagnostics:
object 'GDPC1' not found
--- failed re-building 'getting_started.Rmd'

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

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

Quitting from getting_started.Rmd:50-84 [unnamed-chunk-3]
~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
<error/rlang_error>
Error:
! object 'GDPC1' not found
---
Backtrace:
    ▆
 1. ├─... %>% dplyr::select(date, y, p)
 2. ├─dplyr::select(., date, y, p)
 3. ├─dplyr::mutate(...)
 4. ├─purrr::reduce(...)
 5. │ └─purrr:::reduce_impl(.x, .f, ..., .init = .init, .dir = .dir)
 6. │   └─purrr:::reduce_init(.x, .init, left = left, error_call = .purrr_error_call)
 7. │     └─rlang::is_empty(x)
 8. └─base::data.frame(GDPC1, date = zoo::index(GDPC1))
~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~

Error: processing vignette 'getting_started.Rmd' failed with diagnostics:
object 'GDPC1' not found
--- failed re-building 'getting_started.Rmd'

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

Error: Vignette re-building failed.
Execution halted