Error when knitting a 'flexdashboard' themed with 'bslib' - r

I tried a 'flexdashboard' themed with 'bslib' (in RStudio: New file -> Rmarkdown -> From template -> flexdashboard themed with bslib). I'm on Windows. When I knit the file (e.g. the default one), the compilation reaches 100% but then an error occurs:
Error in ie_get_proxy_for_url(test_url) :
ERROR_WINHTTP_UNABLE_TO_DOWNLOAD_SCRIPT
Calls : <Anonymous> ... download_file -> <Anonymous> -> ie_get_proxy_for_url

Related

How do i fix this knitting error (loadnamespace) and "Error in contrib.url(repos, "source"))?

I have been trying to knit I first got an error but then fixed it on the same line. However, I know keep on getting alternative errors, one
Error: package or namespace load failed for ‘vctrs’ in loadNamespace and in 'hevaan'.
And if I am not getting that error I am getting this
Error in contrib.url(repos, "source") :
trying to use CRAN without setting a mirror
Calls: <Anonymous> ... eval_with_user_handlers -> eval -> eval -> install.packages -> contrib.url
Execution halted
However, I fixed these issues with install.packages and it went to 80% of my knit but now it will not go passed 5%.

Unable to knit R markdown

The following error is shown when I try to knit my r markdown baring in mind all code runs successfully otherwise.
Error in as.ts(x) : object 'Trainingdatar2000_m' not found
Calls: <Anonymous> ... withVisible -> eval -> eval -> acf -> na.action -> as.ts
In addition: Warning messages:
1: In has_crop_tools() :
Tool(s) not installed or not in PATH: pdfcrop, ghostcript
-> As a result, figure cropping will be disabled.
2: In has_crop_tools() :
Tool(s) not installed or not in PATH: pdfcrop, ghostcript
-> As a result, figure cropping will be disabled.
Execution halted```
R Markdown evaluates in its own clean session. Your notebook needs to generate all datasets needed, and will not share objects in the parent session.

Knitting error when converting to pdf on rstudio

I keep getting this error when I try to knit to PDF using R Markdown. It has worked before, and I tried installing the package contrib.url but it says it is not available for my version. Any suggestions?
Error in contrib.url(repos, "source") : trying to use CRAN without setting a mirror calls : <Anonymous> ... with visible -> eval -> eval -> install.packages -> contrib.url Execution halted
The error usually comes when you don't set a mirror in the install.packages command. You probably have a call to install.packages somewhere in your markdown document.
Try the following:
install.packages("aPackage",repos = "http://cran.us.r-project.org")
So just add the repos part. You could of course also just install the package before usage and remove the install.packages line completely from your rmarkdown.

R - Installation of shiny fails after upgrade to 4.0.2

I upgraded to R 4.0.2 today, and also updated my copy of RStudio. While I've been updating my packages I've found that shiny won't install. Whenever I try to install shiny I get the following message...
Error in as.list.environment(base::getNamespace("shiny"), all.names = TRUE) :
lazy-load database 'H:/My Documents/R/win-library/4.0/shiny/R/shiny.rdb' is corrupt
Calls: <Anonymous> ... withCallingHandlers -> <Anonymous> -> <Anonymous> -> as.list.environment
Execution halted
*** arch - x64
Error in as.list.environment(base::getNamespace("shiny"), all.names = TRUE) :
lazy-load database 'H:/My Documents/R/win-library/4.0/shiny/R/shiny.rdb' is corrupt
Calls: <Anonymous> ... withCallingHandlers -> <Anonymous> -> <Anonymous> -> as.list.environment
Execution halted
ERROR: loading failed for 'i386', 'x64'
* removing 'H:/My Documents/R/win-library/4.0/shiny'
Warning in install.packages :
installation of package ‘shiny’ had non-zero exit status
I get this error regardless of whether I just type "install.packages('shiny')" and peace out or if I download the tar.gz and try to install from a local directory. The same error happens when I specify to download an older version of shiny, so I'm pretty sure it's not a problem with the file I'm trying to install. Restarting RStudio does nothing, which is the only advice I could find online for shiny installation problems.
Has anyone else had any problems with installing shiny since upgrading to the newest version of R? Any workarounds?

roxygen2 4.0.1 fails when man/figures is present

In an R package, I have a figure (jpeg) located under man/figures, which is added to a Rd file with,
\if{html}{\figure{supplydemand.jpg}{Supply-demand}}
\if{latex}{\figure{supplydemand}{Supply-demand}}
After updating to roxygen2 4.0.1, I get the error:
==> roxygen2::roxygenize('.', roclets=c('rd', 'collate', 'namespace'))
Error in file(con, "r") : cannot open the connection
Calls: suppressPackageStartupMessages ... <Anonymous> -> first_time -> vapply -> FUN -> readLines -> file
In addition: Warning message:
In file(con, "r") : cannot open file './man/figures': Permission denied
Execution halted
Exited with status 1.
If I remove the code to insert the figure, I still get this error. Only when I remove the subdir man/figures does roxygen2 work OK.
I assume this is a bug in roxygen2 or is there a workaround?

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