Error(s) in re-building vignettes:
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--- re-building ‘SW00_Introduction_to_sweep.Rmd’ using rmarkdown
── Attaching packages ─────────────────────────────────────── tidyverse 1.3.0 ──
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══ Need to Learn tidyquant? ════════════════════════════════════════════════════
Business Science offers a 1-hour course - Learning Lab #9: Performance Analysis & Portfolio Optimization with tidyquant!
</> Learn more at: https://university.business-science.io/p/learning-labs-pro </>
Quitting from lines 66-74 (SW00_Introduction_to_sweep.Rmd) 
Error: processing vignette 'SW00_Introduction_to_sweep.Rmd' failed with diagnostics:
`data` must be a data frame, or other object coercible by `fortify()`, not a logical vector
--- failed re-building ‘SW00_Introduction_to_sweep.Rmd’

--- re-building ‘SW01_Forecasting_Time_Series_Groups.Rmd’ using rmarkdown
── Attaching packages ─────────────────────────────────────── tidyverse 1.3.0 ──
✔ ggplot2 3.3.3     ✔ purrr   0.3.4
✔ tibble  3.0.6     ✔ dplyr   1.0.4
✔ tidyr   1.1.2     ✔ stringr 1.4.0
✔ readr   1.4.0     ✔ forcats 0.5.1
── Conflicts ────────────────────────────────────────── tidyverse_conflicts() ──
✖ dplyr::filter() masks stats::filter()
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Loading required package: lubridate

Attaching package: 'lubridate'

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    date, intersect, setdiff, union

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Attaching package: 'zoo'

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    as.Date, as.Date.numeric


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Loading required package: quantmod
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══ Need to Learn tidyquant? ════════════════════════════════════════════════════
Business Science offers a 1-hour course - Learning Lab #9: Performance Analysis & Portfolio Optimization with tidyquant!
</> Learn more at: https://university.business-science.io/p/learning-labs-pro </>
--- finished re-building ‘SW01_Forecasting_Time_Series_Groups.Rmd’

--- re-building ‘SW02_Forecasting_Multiple_Models.Rmd’ using rmarkdown
── Attaching packages ─────────────────────────────────────── tidyverse 1.3.0 ──
✔ ggplot2 3.3.3     ✔ purrr   0.3.4
✔ tibble  3.0.6     ✔ dplyr   1.0.4
✔ tidyr   1.1.2     ✔ stringr 1.4.0
✔ readr   1.4.0     ✔ forcats 0.5.1
── Conflicts ────────────────────────────────────────── tidyverse_conflicts() ──
✖ dplyr::filter() masks stats::filter()
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Loading required package: lubridate

Attaching package: 'lubridate'

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

    date, intersect, setdiff, union

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Loading required package: zoo

Attaching package: 'zoo'

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

    as.Date, as.Date.numeric


Attaching package: 'xts'

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

    first, last


Attaching package: 'PerformanceAnalytics'

The following object is masked from 'package:graphics':

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Loading required package: quantmod
Loading required package: TTR
══ Need to Learn tidyquant? ════════════════════════════════════════════════════
Business Science offers a 1-hour course - Learning Lab #9: Performance Analysis & Portfolio Optimization with tidyquant!
</> Learn more at: https://university.business-science.io/p/learning-labs-pro </>
Quitting from lines 63-64 (SW02_Forecasting_Multiple_Models.Rmd) 
Error: processing vignette 'SW02_Forecasting_Multiple_Models.Rmd' failed with diagnostics:
$ operator is invalid for atomic vectors
--- failed re-building ‘SW02_Forecasting_Multiple_Models.Rmd’

SUMMARY: processing the following files failed:
  ‘SW00_Introduction_to_sweep.Rmd’
  ‘SW02_Forecasting_Multiple_Models.Rmd’

Error: Vignette re-building failed.
Execution halted