I am trying to create a documentation for my R package using roxygen2, however, when I click to document, I get the following error:
First time using roxygen2. Upgrading automatically...
Error in .f(.x[[i]], ...) : attempt to apply a non-function
Calls: suppressPackageStartupMessages ... read_pkg_description ->
read.description -> <Anonymous> -> .Call -> .f
Related
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
i tried to install ggplot but didnt work
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%.
I am trying to knit and I keep getting this error:
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
In addition: Warning message:
In eng_r(options) :
Failed to tidy R code in chunk 'unnamed-chunk-2'. Reason:
Error : The formatR package is required by the chunk option tidy = TRUE but not installed; tidy = TRUE will be ignored.
Execution halted
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.
I recently tried to create a R package and in the DESCRIPTION file I saw that in the "depends" field I can insert the other packages that I need, like this,
Depends: R (> = 3.2.2), readxl, ltm
The "readxl" package has not a problem, but for "ltm" I get this error:
Error in (function (dep_name, dep_ver = NA, dep_compare = NA):
Dependency package ltm not available.
Calls: suppressPackageStartupMessages ... <Anonymous> -> load_all ->
load_depends -> mapply -> <Anonymous>
Execution halted
Exited with status 1.
How can I fix the problem?
I had the same problem with a package yesterday.
1) Reinstall R.
2) Reinstall package with DEPENDENCIES=TRUE
3) If it doesn't work, install dependencies from source.