I'm using VS Code and i miss RStudio's ctrl+i to indent lines.
I've read stuff online about LSP and other extensions and formatting with shift+alt+F but all i get is linter.
So, whats the equivalent if is there at all?
Found a solution but there a few things to take note.
First, VSCode notive options are language-agnostic, meaning it can't indent R code 'cause it doesn't understand it. You got to download extensions to make i work.
Extensions required are
Yuki Ueda's R for language support
REditorSupport's R LSP Client
Also, in order to R LSP Client to work, CRAN package {languageserver} is required.
Then, usage. If you're working functions, differently from RStudio in which one can hit ctrl+i and that'd indent that specifically line or selection, this solution works only if one selects the entire function. If you have functions inside another, you gotta indent everything (won't work for just a foo inside another).
Related
As already mentioned I'm using the Atom text editor.
I'm currently working on a project written in c++. Of course it is desirable to jump to the definition of a function (in another project file), or other uses of this function (within the project). As far as I know this can be achieved with the packages I'll mention below. I want the package to display me the definition along with the path to the corresponding file which holds the definition and ideally the line where it occurs.
I'll welcome any comments and suggestions on how to solve the below mentioned problem(s) I have with (one of) the packages. Moreover I'm also thankful about pointers to possible solutions or posts concerning my problem(s), or how I can achieve this with another package.
Here is what I found / tried / did so far.
goto
Currently I'm using this package, although it is rather slow and does not show the arguments of the function as e.g. atom-ctags does, but it's the only package which displays me the files I need to see.
It shows me where the function is defined as well as where it is also used. However it does not show me the path to the file corresponding file it refers to.
atom-ctags
I also tried this package, building the tags is quite fast and moreover it show me the path to the file. But this package only lists the .cc files and not the .h files. It appears to me as if it only shows me the other uses but not the definition, which is obviously a problem.
I also tried generating the ctags myself and changing the command options in the settings of the package, unfortunately without any success.
Atoms built-in symbols-view
In order to get this to work, one needs to generate the symbols. This can be, for example, achieved with the symbol-gen package. However, it shows me some of the definitions, but also no .h files. Moreover, jumping to the definition results in a Selected file does not exist., therefore it is not usable at all.
goto-definition
Just for completeness, there is also this package. It does not work for me, since c++ is not supported but maybe others will find it useful.
symbols-plus
Again, for completeness, this should be a replacement for the atom built-in, but when disabling the build-in it does not show me any jump functionality nor is a short cut mentioned.
So, basically, nothing really works well. I have tried Symbol Tree View but it but barely works.
I am using the Vim-R-plugin to edit files containing markdown and R-code blocks such that the files can be complied using knitr. The filetype is: RMD. I have enabled spell checking. How can I disable the spell checking within the code blocks?
Spell checking is attached to certain syntax groups. Find the :syn region that covers the R code blocks, and append / edit in contains=#NoSpell.
Instead of trying to get the #NoSpell working by region, my approach is to toggle between languages.
I work in three languages which are set up to toggle with a function key where I include "nospell". This makes turning spellchecking on and off as easy as pressingt F7. When coding and writing nospell is turned on, when finalizing the edits I toggle to the appropriate language.
In fact, I find spellchecks in my code to be a plus. I make mistakes in the comment sections too, sometimes even in variable names/plot lables etc. This way you have a quick last check of all language items that are going to be visible .
I got this to work on OS X by editing the ~/.vim/syntax/R.vim and doing a search and replace of all instances of #Spell to #NoSpell. Then restarting vim. All the red underscores were gone from the code chunks but were still in the rest of the the rmarkdown.
Interestingly this has not effected the spell checking in pure R documents that have a .R extension, so I having thought I understood what I was doing perhaps I have to admit I don't fully. But at least it has turned off spell checking of the code chunks in rmarkdown (Rmd) documents while leaving it still working elsewhere in the document.
I'm writing all my scripts on .R file using R for mac. It is convenient to me because there are colors to highlight the type of commands.
I have a many comments following the # symbol that are useful when I forget about the meaning of my script but they tend to blur my script so that it gets harder to find a given command line.
Is there a way to hide and show these comments ? (Using the programm I'm currently using or another one). What would you suggest as the best program to write R script ?
Thanks a lot !
RStudio supports code folding. You can standardize your comment blocks so that they are recognized as code blocks.
For example, enter this into your RStudio editor
#=======================================================
# this is a comment block
# more comments here
# comments upon comments
and then press Alt+L to fold, and Alt+Shift+L to unfold.
Try RStudio for mac. One of the greatest code writing environment for R there is.
You can also try Emacs, which is more like old-fashioned command line editor. You can find a good guide here.
I am attempting to automate the insertion of JPEG images into Powerpoint. I have a macro done for that already, except using R would be infinitely better for my purposes.
The package R2PPT should do this, I understand. However, I cannot use it. For example, when I try to use PPT.Open, I understand I can do it two different ways by calling method = "rcom" or method = "RDCOMClient". Using the latter, R will always crash, sending an error report to windows. Using the former, it tells me I need to install statconnDCOM , before giving the error:
Error in PPT.Open(x) : attempt to apply non-function.
I cannot install statconnDCOM freely, as I wouldn't call this work non-commercial. So if there isn't a way to get around this issue, are there at least some free alternatives to R2PPT so that I can save several hours of manual work with a simple R code? If there is a way for me to use R2PPT, that would be ideal.
Thanks!
Edit:
I'm using R version 2.15 and downloaded the most recent version of R2PPT. Powerpoint is 2007.
Do you have administrative privileges on this machine?
There is an issue with package RDCOMClient. It needs permissions to write file rdcom.err in the root of drive C:. If you don't have privileges to write to c:, there is a rather cumbersome workaround:
Close R
Create "c:\temp" folder if it doesn't exist.
Locate on your hard drive file rdcomclient.dll. It usually placed in \R\library\RDCOMClient\libs\i386\ and in \R\library\RDCOMClient\libs\x64\ (you need to patch file which corresponds your Windows version - 32 bit or 64 bit). It's recommended to make backup copy of this files before patching.
Open rdcomclient.dll in text editor (Notepad++, for example -http://notepad-plus-plus.org/)
Find in file string c:\rdcom.err - it occurs only once.
Go into overwrite mode (usually by pressing "Ins" key). It is very important that new path will have the same number of characters as original one. Type C:\temp\e.rr instead of c:\rdcom.err
Save the file.
Now all should work fine.
Arguably not an answer, but have you looked at using Sweave/knitr to render your presentations in LaTeX using something like Beamer? (As discussed on slide 17 here.)
Wouldn't help any with getting JPGs into a PowerPoint, but would certainly make putting R-output (numerical or graphical) into a presentation much easier!
Edit: if you want to use knitr (which I recommend), here's another reference.
Has anyone managed to get color syntax-highlighting working in the output of Sweave documents? I've been able to customize the output style by adding boxes, etc. in the Sweave.sty file as follows:
\DefineVerbatimEnvironment{Sinput}{Verbatim}{fontseries=bc,frame=single}
\DefineVerbatimEnvironment{Soutput}{Verbatim}{frame=leftline}
\DefineVerbatimEnvironment{Scode}{Verbatim}{fontseries=bc}
And I can get the minted package to do syntax highlighting of verbatim-code blocks in my document like so:
\begin{minted}{perl}
use Foo::Bar;
...
\end{minted}
but I'm not sure how to combine the two for R input sections. I tried the following:
\DefineVerbatimEnvironment{Sinput}{minted}{r}
\DefineVerbatimEnvironment{Scode}{minted}{r}
Any suggestions?
Yes, look at some of the vignettes for Rcpp as for example (to pick just one) the Rcpp-FAQ pdf.
We use the highlight by Romain which itself can farm out to the hightlight binary by Andre Simon. It makes everything a little more involved---Makefiles for the vignettes etc pp---but we get colourful output from R and C/C++ code. Which makes it worth it.
I have a solution that has worked for me, I have not tried it on any other systems though so things may not work out of the box for you. I've posted some code at https://gist.github.com/797478 that is a set of modified Rweave driver functions that make use of minted blocks instead of verbatim blocks.
To use this driver just specify it when calling the Sweave function with the driver=RweaveLatexMinted() option.
Here's how I've ended up solving it, starting from #daroczig's suggestion.
\usepackage{minted}
\renewenvironment{Sinput}{\minted[frame=single]{r}}{\endminted}
\DefineVerbatimEnvironment{Soutput}{Verbatim}{frame=leftline}
\DefineVerbatimEnvironment{Scode}{Verbatim}{}
While I was at it, I needed to get caching working because I'm using large data sets and one chunk was taking around 3 minutes to complete. So I wrote this zsh shell function to process an .Rnw file with caching:
function sweaveCache() {
Rscript -e "library(cacheSweave); setCacheDir(getwd()); Sweave('$1.Rnw', driver = cacheSweaveDriver)" &&
pdflatex --shell-escape $1.tex &&
open $1.pdf
}
Now I just do sweaveCache myFile and I get the result opened in Preview (on OS X).
This topic on tex.StackExchange might be interesting for you, as it suggest loading the SweaveListingUtils package in R for easy solution.