Error(s) in re-building vignettes:
--- re-building 'TQ00-introduction-to-tidyquant.Rmd' using rmarkdown
Loading required package: lubridate

Attaching package: 'lubridate'

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

    date, intersect, setdiff, union

Loading required package: PerformanceAnalytics
Loading required package: xts
Loading required package: zoo

Attaching package: 'zoo'

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

    as.Date, as.Date.numeric


Attaching package: 'PerformanceAnalytics'

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

    legend

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 </>
── Attaching packages ─────────────────────────────────────── tidyverse 1.3.1 ──
✔ ggplot2 3.3.5     ✔ purrr   0.3.4
✔ tibble  3.1.6     ✔ dplyr   1.0.9
✔ tidyr   1.2.0     ✔ stringr 1.4.0
✔ readr   2.1.2     ✔ forcats 0.5.1
── Conflicts ────────────────────────────────────────── tidyverse_conflicts() ──
✖ lubridate::as.difftime() masks base::as.difftime()
✖ lubridate::date()        masks base::date()
✖ dplyr::filter()          masks stats::filter()
✖ dplyr::first()           masks xts::first()
✖ lubridate::intersect()   masks base::intersect()
✖ dplyr::lag()             masks stats::lag()
✖ dplyr::last()            masks xts::last()
✖ lubridate::setdiff()     masks base::setdiff()
✖ lubridate::union()       masks base::union()
--- finished re-building 'TQ00-introduction-to-tidyquant.Rmd'

--- re-building 'TQ01-core-functions-in-tidyquant.Rmd' using rmarkdown
Warning: x = 'AAPL', get = 'stock.prices': Error in new.session(): Could not establish session after 5 attempts.

Warning in fun_transmute(., OHLC = FALSE, ...) :
  missing values removed from data
Warning: x = 'FB', get = 'stock.prices': Error in new.session(): Could not establish session after 5 attempts.

Quitting from lines 363-371 (TQ01-core-functions-in-tidyquant.Rmd) 
Error: processing vignette 'TQ01-core-functions-in-tidyquant.Rmd' failed with diagnostics:
data must be a tibble or data.frame object
--- failed re-building 'TQ01-core-functions-in-tidyquant.Rmd'

--- re-building 'TQ02-quant-integrations-in-tidyquant.Rmd' using rmarkdown
Warning: x = 'XLK', get = 'stock.prices': Error in new.session(): Could not establish session after 5 attempts.

Quitting from lines 307-322 (TQ02-quant-integrations-in-tidyquant.Rmd) 
Error: processing vignette 'TQ02-quant-integrations-in-tidyquant.Rmd' failed with diagnostics:
data must be a tibble or data.frame object
--- failed re-building 'TQ02-quant-integrations-in-tidyquant.Rmd'

--- re-building 'TQ03-scaling-and-modeling-with-tidyquant.Rmd' using rmarkdown
Warning: Problem while computing `data.. = purrr::map(...)`.
ℹ x = 'AAPL', get = 'stock.prices': Error in new.session(): Could not establish
  session after 5 attempts. Removing AAPL.
Warning: Problem while computing `data.. = purrr::map(...)`.
ℹ x = 'GOOG', get = 'stock.prices': Error in new.session(): Could not establish
  session after 5 attempts. Removing GOOG.
Warning: Problem while computing `data.. = purrr::map(...)`.
ℹ x = 'FB', get = 'stock.prices': Error in new.session(): Could not establish
  session after 5 attempts. Removing FB.
Warning: Problem while computing `data.. = purrr::map(...)`.
ℹ x = 'AAPL', get = 'stock.prices': Error in new.session(): Could not establish
  session after 5 attempts. Removing AAPL.
Warning: Problem while computing `data.. = purrr::map(...)`.
ℹ x = 'JPM', get = 'stock.prices': Error in new.session(): Could not establish
  session after 5 attempts. Removing JPM.
Warning: Problem while computing `data.. = purrr::map(...)`.
ℹ x = 'CVX', get = 'stock.prices': Error in new.session(): Could not establish
  session after 5 attempts. Removing CVX.
Getting holdings for DOW
Getting holdings for DOW
Warning: Problem while computing `data.. = purrr::map(...)`.
ℹ x = 'UNH', get = 'stock.prices': Error in new.session(): Could not establish
  session after 5 attempts. Removing UNH.
Warning: Problem while computing `data.. = purrr::map(...)`.
ℹ x = 'GS', get = 'stock.prices': Error in new.session(): Could not establish
  session after 5 attempts. Removing GS.
Warning: Problem while computing `data.. = purrr::map(...)`.
ℹ x = 'HD', get = 'stock.prices': Error in new.session(): Could not establish
  session after 5 attempts. Removing HD.
Warning: x = 'AAPL', get = 'stock.prices': Error in new.session(): Could not establish session after 5 attempts.

Quitting from lines 192-194 (TQ03-scaling-and-modeling-with-tidyquant.Rmd) 
Error: processing vignette 'TQ03-scaling-and-modeling-with-tidyquant.Rmd' failed with diagnostics:
data must be a tibble or data.frame object
--- failed re-building 'TQ03-scaling-and-modeling-with-tidyquant.Rmd'

--- re-building 'TQ04-charting-with-tidyquant.Rmd' using rmarkdown
Warning: x = 'AAPL', get = 'stock.prices': Error in new.session(): Could not establish session after 5 attempts.

Warning: x = 'AMZN', get = 'stock.prices': Error in new.session(): Could not establish session after 5 attempts.

Quitting from lines 79-84 (TQ04-charting-with-tidyquant.Rmd) 
Error: processing vignette 'TQ04-charting-with-tidyquant.Rmd' failed with diagnostics:
`data` must be a data frame, or other object coercible by `fortify()`, not a logical vector.
--- failed re-building 'TQ04-charting-with-tidyquant.Rmd'

--- re-building 'TQ05-performance-analysis-with-tidyquant.Rmd' using rmarkdown
Warning: Problem while computing `data.. = purrr::map(...)`.
ℹ x = 'AAPL', get = 'stock.prices': Error in new.session(): Could not establish
  session after 5 attempts. Removing AAPL.
Warning: Problem while computing `data.. = purrr::map(...)`.
ℹ x = 'GOOG', get = 'stock.prices': Error in new.session(): Could not establish
  session after 5 attempts. Removing GOOG.
Warning: Problem while computing `data.. = purrr::map(...)`.
ℹ x = 'NFLX', get = 'stock.prices': Error in new.session(): Could not establish
  session after 5 attempts. Removing NFLX.
Warning: x = 'XLK', get = 'stock.prices': Error in new.session(): Could not establish session after 5 attempts.

Quitting from lines 85-94 (TQ05-performance-analysis-with-tidyquant.Rmd) 
Error: processing vignette 'TQ05-performance-analysis-with-tidyquant.Rmd' failed with diagnostics:
data must be a tibble or data.frame object
--- failed re-building 'TQ05-performance-analysis-with-tidyquant.Rmd'

--- re-building 'TQ06-excel-in-r.Rmd' using rmarkdown
--- finished re-building 'TQ06-excel-in-r.Rmd'

SUMMARY: processing the following files failed:
  'TQ01-core-functions-in-tidyquant.Rmd'
  'TQ02-quant-integrations-in-tidyquant.Rmd'
  'TQ03-scaling-and-modeling-with-tidyquant.Rmd'
  'TQ04-charting-with-tidyquant.Rmd'
  'TQ05-performance-analysis-with-tidyquant.Rmd'

Error: Vignette re-building failed.
Execution halted