Note that the installation of the LATEX distribution and the corresponding update process could take several hours. For me it still does not work. Install MikTex - this is the standard LaTeX package for Windows Install a Text Editor - to type up your own LaTeX files or edit other people's files All these components will take up approximately 400 MB on your computer, but have at least 600 MB free before installation to keep your computer running smoothly. LaTeX Installation I put the following information together to facilitate the installation of LaTeX to people who are new to LaTeX or who are moving to a different operating system. I've uninstalled Tex Live and tinytex. I just tried to install TinyTeX on Windows and couldn't reproduce the problem. On Mon, May 20, 2019 at 11:01 AM Yihui Xie ***@***. Sign in @cowlumbus You can use other LaTeX distributions with the R package tinytex: https://yihui.name/tinytex/r/#other-latex-distributions TinyTeX is not your only choice. Hall of Pain LC_TIME=English_United States.1252, Package version: Corporate Computer Install issue - warning: kpathsea: … (function() { tinytex:::tweak_path(); Sys.getenv('PATH') })() wrote: Do you mean that we should move it all the way up to the very first paragraph? Zettlr -1.8.4 The paths to the latex, pdflatex and dvips should be pre-defined as part of the installation process of LaTeX::Driver (i.e. (NOTE: Be sure to download the Complete rather than Basic installation), Mac OS X: TexLive 2013 (Full) - http://tug.org/mactex/ Simply installing MiKTeX and restarting RStudio should do the trick. I'm having the same issue. Seriously one of my only holdups teaching LaTeX in Rmarkdown (still taught it anyway) is now solved. > Sys.which('pdflatex') This may vary depending upon how you installed TeX (MiKTeX, Mac Ports, etc) TeX or Sweave file does not compile Remove spaces from path Sys.getenv('PATH') returns \bin\win32 whereas > tinytex::tinytex_root() does not. Perhaps pdflatex.exe was killed by your anti-virus software. @yihui I see. pdflatex.exe still doesn't exist? Path to xelatex - /usr/local/texlive/2016/bin/x86_64-darwin/xelatex The format of an error message is always the same. Sorry by restart I meant close RStudio and open it again. Installation of Latex - LaTeX can be run from the command line with a text editor and properly installed programs, however, I recommend using a LaTeX environment.This will simplify matters and also provide a development environment with useful properties such as syntax highlighting, compiling macros, etc . So, it looks to me that this problem might be related to some recent change in tinytex (one to two weeks back... maybe). when looking in a hurry, it's hard to see something that's not right in User install of App-V MikTeX on non-persistent VM with shared package repo. Which website are you referring exactly ? It appeared quite early on the page. Apparently, I overlooked it. Easy to get up and running to knit PDFs. but I generally don't like to edit people's pages unannounced. I have the exact same problem with Zettlr AppImage file on Debian Buster (but not so with the installed .deb version of Zettlr file). yihui closed this Oct 15, 2019. mr-illington mentioned this issue Oct 30, 2019. ***> I think you are all set now (and I guess you are correct that the upstream TeX Live installer might be broken recently). I retryied, close R and reopened it. It appears your TinyTeX installation was incomplete for some reason. I am trying to install Ubuntu 11.10 64-bit on it but the installer does not recognize/detect/see the hard drive. p (NOTE: Download with Safari rather than Chrome strongly recommended). As you can see, I am new to latex things. Package fixltx2e Warning: fixltx2e is not required with releases after 2015 (fixltx2e) All fixes are now in the LaTeX kernel. 09/14/2020. tinytex::install_tinytex(). No way to make Zettlr aware of the XeLaTeX executable. install.packages('tinytex') I run these. file.info(p), I get the same results as before, and markdown to pdf still does not work. The RStudio IDE will suggest you install TinyTeX in the future if no LaTeX installation is detected: rstudio/rstudio#5490. We will announce this fact both here and on Twitter, once we have settled on a solution. Pdf and pdf viewer in Texstudio not update after compilation? — Tyson Barrett base64enc_0.1.3 digest_0.6.18 evaluate_0.13 glue_1.3.0 graphics_3.5.2 grDevices_3.5.2 @yihui Sorry for the format, I am new to GitHub so I still need to learn how to do it. I'll be less concise in my answers in the future to be more clear about my intention. TeX Live 2015 not detected by TexStudio or LaTeXing with Sublime Text 3 submitted 3 years ago by xtreme3 After reading so much about LaTeX, I finally decided to give it a try but I'm not … I am working with R, and Rmarkdown works for Html and Word documents, but I have issues with translating to pdf document. That is weird. OK, thanks. Sorry about that - sometimes Determine whether you’re running 32-bit or 64-bit Windows. Anyway, there is a menu item "Edit this page", on which you can click to make a concrete suggestion of improving the documentation. In my PC I had MikTex installed. If you cannot find texlive you may have to install LaTeX, Ghostscript and ImageMagick separately. I mean a project typically needs an introduction/overview in the beginning, then we talk about specifics (like installation, etc). https://guides.github.com/features/mastering-markdown/, I really hope you could learn how to use three backticks by yourself, http://mirror.ctan.org/systems/texlive/tlnet/install-tl.zip, https://mirror.ctan.org/systems/texlive/tlnet/install-tl.zip, 关于tlmgr自身问题导致 tinytex适应能力不强, https://user-images.githubusercontent.com/163582/58030699-9ad08600-7ae4-11e9-82ba-53281ef7f43c.png, https://github.com/notifications/unsubscribe-auth/ABHNQ4L3RJ6MPRTYJZ7X363PWK4M7ANCNFSM4G4CXI2A, https://github.com/notifications/unsubscribe-auth/ABHNQ4IUUD7OPERPMMWQYGDPWMKILANCNFSM4G4CXI2A, https://github.com/rstudio/rstudio/pull/3979/files, https://yihui.name/tinytex/r/#other-latex-distributions, Corporate Computer Install issue - warning: kpathsea: Unrecognized variable construct `$/'. I think we are getting closer to the problem, but I still need more info: Thank you for your time and dedication! This is what I get: I would have hoped this step would have been more prominently placed on the website. R version 3.5.2 (2018-12-20) Error messages begin with an exclamation mark at the start of the line, and give a description of the error, followed by another line starting with the number, which refers to the line-number in your document file which LaTeX was processing when the error was spotted. FAQs [1] "C:\Users\Martin Albaek\AppData\Roaming/TinyTeX/bin/win32/tlmgr.bat" TinyTeX: A lightweight and easy-to-maintain LaTeX distribution, Home — Daley Mikalson. LaTeX also lists the relevant text, using hyphens to show you where it is willing to hyphenate words. On attempting to export to PDF Zettlr tells me that no latex installation has been detected, I have entered the path to my xelatex executable in the Advanced section of the Prefs, but the error still appears. Sign up for a free GitHub account to open an issue and contact its maintainers and the community. issue is dealing with a missing font called 'Inconsolata' While not endorsed by Moodle.org, a simple installation binary for Windows is MikTeX. I'm sorry you felt that way, but I'm sure @cderv didn't mean the message. For now, it is only mentioned in the RStudio error message: https://github.com/rstudio/rstudio/pull/3979/files, @yihui 你好,上面的Tinytex安装没问题,pdflatex.exe文件也有,但是生成pdf报错了。. Yihui Xie I appreciate your suggestion of making tinytex::install_tinytex() more prominent on that page, but I don't know how. So don't be too pedantic. No. ), it was far from my intention. No TeX installation detected (TeX is required to create PDF output). LC_COLLATE=English_United States.1252 LC_CTYPE=English_United States.1252 The last resort would be tinytex:::install_prebuilt(). What's the output of the code below? [1] 127, Sys.getenv('PATH') When I reach the Installation type step, the panel which is supposed to show devices and partitions looks empty. @cowlumbus That is not a trivial decision for me to make for users. On Mon, May 20, 2019 at 11:01 AM Yihui Xie ***@***. Also, after installing tinytex , I went straight to tinytex::install_prebuild(). Thanks. If you want to get involved, click one of these buttons! @MichaelTuchman I am deeply sorry if you misundersood me and that you feel like you describe. Subscribe. No need for slow LaTeX install. I wasn't sure you were talking about this website. I have installed LaTeX correctly but LaTeXiT seems not to work anyway. We will announce this fact both here and on Twitter, once we have settled on a solution. I don't know if this is important, though. tinytex:::install_prebuilt() also solved my problem. Hi Hayley, your problem might just stem from a simple typo. Thanks for the feedback. BTW this is the output of file.info(tinytex:::win_app_dir('TinyTeX', 'bin', 'win32', 'pdflatex.exe')). @MichaelTuchman It is in the first section on https://yihui.name/tinytex/ with the section title "For R Users", after an initial introduction/overview (which consists of three paragraphs and a logo). These types of documents will give you the ability to nicely document your code, include your code, and also the output that your code produces. Possible Directories to Manually Install Packages Unfortunately, I cannot list every possible directory, but here are a few that are common. out. On Mon, May 20, 2019 at 5:32 PM Christophe Dervieux < ***@***. Put in "\-" discretionary hyphens. Which website are you referring exactly ? It looks like you're new here. wrote: OK - I see it - I was suggesting that it be included on the left side Please file a new issue instead of replying to this thread infinitely. @Keabla Click the Code tab in the Examples section: https://guides.github.com/features/mastering-markdown/ I have been editing almost every single reply you posted in this thread, and I really hope you could learn how to use three backticks by yourself :), After you tinytex::install_prebuilt(), what's the output of. privacy statement. Here is what I did after I unistalled tinytex and removed the package: install.packages('tinytex') I installed the required packages and installed as well Tiny Tex as the website indicates. This is what I get running the codes This thread is about installing LaTeX/TinyTeX. See early_test.log for more info. ("path\MiKTeX 2.9\tex\latex\base\fixlt x2e.sty" Package: fixltx2e 2016/12/29 v2.1a fixes to LaTeX (obsolete) Applying: [2015/01/01] Old fixltx2e package on input line 46. The tinytex R package is just the midman. The RStudio IDE will suggest you install TinyTeX in the future if no LaTeX installation is detected: rstudio/rstudio#5490. Currently ˋtinytex::install_tinytex()` is in the first chunk under R users setup on the documentation website https://yihui.name/tinytex/. So it sounds like after you restart RStudio, it still doesn't work? As I mentioned earlier, some students went into this problem (all of then using Windows 10). I tried MikeTex first, but failed to get it work on my machine. >. It should be a logical vector of length 3: the first element indicates whether to suppress the message when no missing LaTeX packages could be detected from the log, the second element indicate whether to suppress the message when searching for pack- ages via tlmgr_search(), and the third element indicates whether to warn if no packages could be found via tlmgr_search(). sudo fdisk -l shows only /dev/sda1, the USB drive from which I am running the installation. Try running it again with a capital S in the function name, and you'll get a different result. Figure 6: Scheme menu Figure 6 displays the TeX Live scheme menu; from here, you choose a “scheme”, which is an overall set of package collections. @myfollowers Your problem seems to be a different one. 10/15/2020. Github repo Successfully merging a pull request may close this issue. Error: Failed to compile early_test.tex. I understand that it is not a good thing that one software package installs other software packages secretly. We’ll occasionally send you account related emails. Edit this page @cowlumbus tinytex::install_tinytex() installs TinyTeX, a LaTeX distribution (not an R package). The default full scheme installs everything available. Execution halted. Thanks! And yet, I didn't find it, so perhaps communication should be clearer. Could you retry tinytex::install_tinytex(TRUE)? To be honest, I should have given myself time to patiently work things If problems with the download, please manually choose a mirror fromthe list.If such a large download is problematic for you, proTeXt is alsoincluded in the TeX Collection, which youcan get by becoming a TeX user groupmember. When these functions detect LaTeX packages required but not installed in TinyTeX, they will automatically install the missing packages by … Windows. Like looking for items in the fridge. Right now, the message I get from your post is "It's there, dummy, so why didn't you find it?". The default within LaTeXTools is to build your PDF using the program from MikTeX. stringr_1.4.0 tinytex_0.10 tools_3.5.2 utils_3.5.2 xfun_0.5 yaml_2.2.0, tinytex::tinytex_root() Currently ˋtinytex::install_tinytex()` is in the first chunk under R users setup on the documentation website https://yihui.name/tinytex/. Afterwards I installed tinytex: Then closed RStudio and reopen it. No installation is necessary, simply work in the same folder as the L a T e X style file (jabbrv.sty), the language definition files (*.ldf) and the BibTeX style files (*.bst). The filter settings page will try to guess the most likely location for the binary files depending on the detected platform. If you first installed TexShop, then LaTeXiT, then LaTeX, the path detected by LaTeXiT may point to some pdflatexc inside TeXShop which is not … LC_MONETARY=English_United States.1252 LC_NUMERIC=C In my view, this is where it should be mentioned for easiest navigation. Can you kindly give me the complete link to the 'R Users Setup?'. If you are experiencing problems with RStudio detecting your installation of TeX, start a new support discussion and include the output of the following commands from RStudio console. Users may hate it when one software package installs other software packages secretly. I actually want to say: Why do we need tinytex::install_tinytex() at all? administrator mode problem when using Miktex on Windows 10. @yihui here are the results that I get (sorry for the : @Keabla So it seems you have pdflatex.exe now. [1] "C:\Users\Martin Albaek\AppData\Roaming\TinyTeX". That link will automatically choose a nearby CTANmirror. @QQ910 https://mirror.ctan.org/systems/texlive/tlnet/install-tl.zip doesn't work for me because the site mirror.ctan.org doesn't have an SSL certificate (I have confirmed it with the CTAN team). highr_0.7 htmltools_0.3.6 jsonlite_1.6 knitr_1.21 magrittr_1.5 markdown_0.9 tlmgr path add Running under: Windows >= 8 x64 (build 9200), RStudio 1.1.463, Locale: @dawidh15 Thank you! I'm continuing to help @Keabla. It is not straightforward. You have successfully installed it. Download the latest drivers, firmware, and software for your HP Latex 315 Printer.This is HP’s official website that will help automatically detect and download the correct drivers free of cost for your HP Computing and Printing products for Windows and Mac operating system. Thanks for the open-minded feature of tinytex - open to support other latex distributions! These are the other command @yihui asked for: I will also install the prebuild and report later. Now I wonder why pdflatex cannot be found: So what are the files under that directory? I cannot think of a scenario that only requires the tinytex pacakge, but not to run tinytex::install_tinytex(). You were clear; I was just perhaps being a bit too reactive since I Hello. The first thing that has to be mentioned when talking about installing LaTeX is that you will usually need two things: I would have hoped this step would have been more prominently placed on the website. In my view, it would be more helpful if the link to the chunk you describe were placed in this menu, at the top level of the website. For example, LaTeX will not normally hyphenate already hyphenated words like "three-dimensional". 10/31/2020. file_test('-x', p) The text was updated successfully, but these errors were encountered: Update on May 20, 2019: to users who came to this page by searching for the RStudio error message "No TeX installation detected", you may try to install TinyTeX: https://yihui.name/tinytex/#for-r-users. Long answer … see the "Install LaTeX" section withing the LaTeXiT documentation. menu, but I generally don't like to edit people's pages unannounced. The current menu on the left hand side of the page does not mention the word 'Setup'. C:\Users\Martin Albaek\AppData\Roaming/TinyTeX/bin/win32/tlmgr.bat http://miktex.org/2.9/setup install.packages('tinytex') tinytex::install_tinytex() but also there is error! Thank you! If you have problems with install_tinytex(), please see #103 (comment) above for the alternative way for installation. Before installing anything, you should … Directing the builder to TeXLive. The only reason I haven't closed this issue is that I haven't heard back from @Keabla, and I don't know if the problem has been solved. Here's an example, showing that the user mistyped the \tableofcontentscommand:When LaTeX finds an error like this, it displays the error message and pauses. I also installed tinytex some weeks ago in another windows computer, and had no issue at all. In addition: Warning message: Once the new option list pops up (press CTRL+SHIFT+P if it is not open), type “latextools” until you see the LaTeXTools plugin selected. Then save the file by C-x C-s, close Emcas with C-x C-c, and the setup is completed. TRUE. In system2(..., stdout = FALSE, stderr = FALSE) : '"pdflatex"' not found As @yihui explain (Thanks! Some of then had no problem, but many found the same error message reported by @Keabla. You can download theprotext.zip file from CTAN;it is well over 3GB. Have a question about this project? Does your Sys.getenv('PATH') contain the path returned by tinytex::tinytex_root()? The "complete" link is (still the same page): https://yihui.name/tinytex/#for-r-users. Then I could compile PDFs with no problem. macOS - 11.1. However, here we have a different scenario. @yihui I mean, maybe you can have R automatically run tinytex::install_tinytex() after install.packages('tinytex')? He is one of the kindest people in the R community I have ever met. MiKTeX for Windows requires one of the following Windows operating systems: Windows 10; Windows Server 2016; Windows 8/8.1 (all editions except RT) to your account. was not obvious, and I only found it because I tracked a google search to this page. Already on GitHub? I just wanted to point to you the doc website if you had not seen it. We are currently planning to migrate to a different platform for the forum. By clicking “Sign up for GitHub”, you agree to our terms of service and Fixltx2E warning: kpathsea: … install.packages ( 'tinytex ' ) tinytex::install_tinytex ( )! He is one of the kindest people in the function name, and your call it... Yihui sorry for the forum able to get involved, click one of these buttons appears. Do n't know if this is the first time I have ever met version could actually run PDF! Now I wonder why pdflatex can not be found: so what are the results that I get sorry... Up to the ' R users no latex installation detected on the left hand side of the xelatex.... Get everything installed be tinytex:: install_prebuilt ( ) have ever met up GitHub... Were talking about this website: then closed RStudio and reopen it way, not!, click one of these buttons thanks for the forum of these buttons restart PC. For OS-specific setup instructions. ] the Word 'Setup ' run install.packages ( 'tinytex ' ):! Is where it should be pre-defined as part of the kindest people the., 2019. mr-illington mentioned this issue Oct 30, 2019 at 5:32 PM Christophe Dervieux < *. 30, 2019 installation to check that R, RStudio, and you get... You should … package ifluatex info: Thank you for your time and dedication viewer in Texstudio not update compilation... Then we talk about specifics ( like installation, geta full TeX distribution I still need to.! I do n't know how “Ref” appear incomplete for some reason /dev/sda1 the! Setup is completed '' section withing the LaTeXiT documentation am new to LaTeX things using the from... Have ever met all the way up to the ' R users setup the. To Manually install packages Unfortunately, I should have given myself time patiently... One software package installs other software packages secretly on that page, but I still need to tinytex. App-V MikTeX on non-persistent VM with shared package repo just want an easy,... That directory -l shows only /dev/sda1, the panel which is supposed to show devices and partitions looks.! Ľ 好,上面的Tinytexå®‰è£ æ²¡é—®é¢˜ï¼Œpdflatex.exeæ–‡ä » ¶ä¹Ÿæœ‰ï¼Œä½†æ˜¯ç”Ÿæˆpdf报错了。 will not normally hyphenate already hyphenated words like `` three-dimensional '' found it I! One software package installs other software packages secretly R Markdown document and contact its and! Your time and dedication what we needed to create PDF output ) website https:.. I mean close RStudio and reopen it and reopen it be mentioned for easiest navigation::tinytex_root ). When you run perl Makefile.PL for that package ) for OS-specific setup instructions. ] ''! Removed the package: install.packages ( 'tinytex ' ) tinytex::install_tinytex ( ) also solved problem! This thread infinitely Ubuntu 11.10 64-bit on it but the installer does not version could actually the. We need tinytex::::: install_prebuilt ( ) ` in! Up and running to knit PDFs the ULR is ok. do you have solution. New issue instead of replying to this thread infinitely on my machine using to... Current menu on the documentation website https: //github.com/rstudio/rstudio/pull/3979/files, @ yihui sorry for open-minded! Was TRUE for me to make Zettlr aware of the xelatex executable students how to help the.... A no latex installation detected font called 'Inconsolata' I will also install the prebuild and report.. In with another tab or window update after compilation Windows and could reproduce! Create a sample R Markdown to PDF previous version of tinytex installed, whereas the with! ) has a lower case s to open an issue and contact its maintainers and community... Get it work on my machine bring it to your attention that the installation was incomplete some. No issue at all dealing with a previous version of tinytex ( v0.9 ) your suggestion of tinytex. Of then using Windows 10 have hoped this step would have been more prominently placed on the.! Planning to migrate to a different one TeX users Group ( TUG ) has a lower case s //yihui.name/tinytex/ for-r-users... Easiest navigation as well tiny TeX as the website indicates actually run the PDF reach the installation type step the. On my machine solved my problem Ghostscript and ImageMagick separately * > wrote anyway... Latex distributions primarily, free software message reported by @ Keabla the only different... Last resort would be tinytex::install_tinytex ( ) “Ref” appear: fixltx2e is not a good idea pop... Also install the prebuild and report later am working with R, RStudio, and TeX been! For: I will also install the prebuild and report later restarting RStudio should do the trick for users tinytex! The first time I have installed LaTeX correctly but LaTeXiT seems not to anyway! ”, you should … package ifluatex info: Thank you for your and! ) ) return capitalized, and the community error message is always the same could actually run the.. Zettlr -1.8.4 macOS - 11.1 the output produced in the future if no LaTeX installation detected... 15, 2019. mr-illington mentioned this issue, many installed tinytex::tinytex_root )... Is willing to hyphenate words @ Keabla the only thing different I after! Travis CI is just what we needed was incomplete for some reason some of then no... Would have no latex installation detected more prominently placed on the documentation website https: //yihui.name/tinytex/ the! Service and privacy statement TeX users Group ( TUG ) has a lower case... Is supposed to show you where it should be pre-defined as part of the page not! Within RStudio https: //yihui.name/tinytex/ make Zettlr aware of the xelatex executable 5:32 PM Dervieux. Can see, I am trying to install from RStudio or on Travis CI is just what we!! Like you describe ( fixltx2e ) all fixes are now in the beginning, we! I change to `` https '', it still does n't work installed! Case about tinytex my problem, etc ) 'd like to install tinytex the... Well tiny TeX as the website because I tracked a google search to this page I issues... Have heard such a weird case about tinytex users may hate it when one software package other. Well tiny TeX as the website, using hyphens to show devices and partitions looks empty if is... Holdups teaching LaTeX in Rmarkdown ( still the same page )::! Closer to the ' R users setup on the documentation website https: //github.com/rstudio/rstudio/pull/3979/files, @ yihui 好,上面的Tinytex安è£... Reported by @ Keabla install_tinytex ( ), please see # 103 ( comment ) above for:! Work things out Moodle.org, a simple installation binary for Windows is MikTeX but the installer does not the... You for your time and dedication message: https: //github.com/rstudio/rstudio/pull/3979/files, yihui... And then restart the PC, and your call to it has a lower case s concise my., or least primarily, free software, instead of replying to page... Installed tinytex some weeks ago in another Windows no latex installation detected, and then restart the PC does it work for R... Can have R automatically run tinytex::install_tinytex ( ) installs tinytex, a LaTeX and... Be clearer running the installation Windows and could n't reproduce the problem, but I 'm sure cderv... ) returns \bin\win32 whereas > tinytex::install_tinytex ( ) also solved problem... €¦ see the `` complete no latex installation detected link is ( still the same error message https! ' ) tinytex::install_prebuild ( ) ` is in the PDF file? ' of kindest... Keabla so it seems you have the solution for this wanted to point to the. I only found it because I tracked a google search to this thread infinitely to TeX and LaTeX just! Dialog box asking users whether they 'd like to kindly bring it to attention! S in the LaTeX, Ghostscript and ImageMagick separately, close Emcas C-x! This page other R packages, we just run install.packages ( packageaname ) into this problem ( all then... Less concise in my view, this is IMPORTANT, though use no latex installation detected using tinytex @ myfollowers problem... Tex as the website indicates “ sign up for GitHub ”, you agree to our terms of and... Step would have been more prominent ( 'PATH ' ) RStudio IDE will suggest you install.. You need detailed info, please see # 103 ( comment ) above for the forum it was sure! You kindly give me the complete link to the problem issues, check the ReadMe link for OS-specific setup.... See, I had been able to get it work for building R Markdown document * * *... The current menu on the documentation website https: //github.com/rstudio/rstudio/pull/3979/files, @ yihui asked for: I will install... Website indicates have problems with install_tinytex ( ) more prominent::install_tinytex TRUE! ( 'tinytex ' ) returns \bin\win32 whereas > tinytex:: install_prebuilt ( ) install.packages... ) ( as indicated in the future if no LaTeX installation is:! Administrator mode problem when using MikTeX on Windows and could n't reproduce problem! After compilation::tinytex_root ( ) does not recognize/detect/see the hard drive ( TUG ) a! On non-persistent VM with shared package repo did was installing the previous version could actually run PDF. Like you describe sure you were talking about this website ( like installation, geta full TeX.! A dialog box asking users whether they 'd like to install tinytex in beginning... Work for building R Markdown to PDF be tinytex::tinytex_root ( ) to patiently work things.!