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

Attaching package: 'updog'

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

    convolve

── Attaching packages ────────────────────────────────── tidyverse 1.2.1 ──
✔ ggplot2 3.1.0       ✔ purrr   0.3.2  
✔ tibble  2.1.1       ✔ dplyr   0.8.0.1
✔ tidyr   0.8.3       ✔ stringr 1.4.0  
✔ readr   1.3.1       ✔ forcats 0.4.0  
── Conflicts ───────────────────────────────────── tidyverse_conflicts() ──
✖ dplyr::filter() masks stats::filter()
✖ dplyr::lag()    masks stats::lag()
Quitting from lines 52-59 (oracle_calculations.Rmd) 
Error: processing vignette 'oracle_calculations.Rmd' failed with diagnostics:
VECTOR_ELT() can only be applied to a 'list', not a 'double'
--- failed re-building ‘oracle_calculations.Rmd’

--- re-building ‘parallel_computing.Rmd’ using rmarkdown
Loading required package: iterators

Attaching package: 'updog'

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

    convolve

── Attaching packages ────────────────────────────────── tidyverse 1.2.1 ──
✔ ggplot2 3.1.0       ✔ purrr   0.3.2  
✔ tibble  2.1.1       ✔ dplyr   0.8.0.1
✔ tidyr   0.8.3       ✔ stringr 1.4.0  
✔ readr   1.3.1       ✔ forcats 0.4.0  
── Conflicts ───────────────────────────────────── tidyverse_conflicts() ──
✖ purrr::accumulate() masks foreach::accumulate()
✖ dplyr::filter()     masks stats::filter()
✖ dplyr::lag()        masks stats::lag()
✖ purrr::when()       masks foreach::when()
Quitting from lines 98-104 (parallel_computing.Rmd) 
Error: processing vignette 'parallel_computing.Rmd' failed with diagnostics:
VECTOR_ELT() can only be applied to a 'list', not a 'double'
--- failed re-building ‘parallel_computing.Rmd’

--- re-building ‘simulate_ngs.Rmd’ using rmarkdown

Attaching package: 'updog'

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

    convolve

Quitting from lines 67-73 (simulate_ngs.Rmd) 
Error: processing vignette 'simulate_ngs.Rmd' failed with diagnostics:
VECTOR_ELT() can only be applied to a 'list', not a 'double'
--- failed re-building ‘simulate_ngs.Rmd’

--- re-building ‘smells_like_updog.Rmd’ using rmarkdown

Attaching package: 'updog'

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

    convolve

── Attaching packages ────────────────────────────────── tidyverse 1.2.1 ──
✔ ggplot2 3.1.0       ✔ purrr   0.3.2  
✔ tibble  2.1.1       ✔ dplyr   0.8.0.1
✔ tidyr   0.8.3       ✔ stringr 1.4.0  
✔ readr   1.3.1       ✔ forcats 0.4.0  
── Conflicts ───────────────────────────────────── tidyverse_conflicts() ──
✖ dplyr::filter() masks stats::filter()
✖ dplyr::lag()    masks stats::lag()
Quitting from lines 70-71 (smells_like_updog.Rmd) 
Error: processing vignette 'smells_like_updog.Rmd' failed with diagnostics:
VECTOR_ELT() can only be applied to a 'list', not a 'double'
--- failed re-building ‘smells_like_updog.Rmd’

SUMMARY: processing the following files failed:
  ‘oracle_calculations.Rmd’ ‘parallel_computing.Rmd’ ‘simulate_ngs.Rmd’
  ‘smells_like_updog.Rmd’

Error: Vignette re-building failed.
Execution halted