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I want to download r and r studio on my new hp 16gb 1tb laptop which version should I download as I heard that the latest version gives some packages and some other issues please advise.
And also I want to learn automation in R such as automating login and download report and scheduling and any available automation course in R even if it is Udemy or any other paid site.
Definitely get the latest version. No issues at all that I'm aware of. You have to reinstall old packages with the latest version, but given you're doing a fresh install that won't affect you.
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I keep getting this Error whilst using Rmarkdown everytime i Knit. 'opts_hooks' is not an exported object from 'namespace:knitr'
'opts_hooks' is not an exported object from 'namespace:knitr'
The current version of knitr on CRAN is 1.13. According to the archive version 1.9 (obsoleting 1.8) was released in early 2013; 3.5 years is a long time in R-package-land, especially for rapidly developing packages. update.packages() or install.packages("knitr") ... or in RStudio go to the package management pane and click the equivalent buttons.
R 3.1.2 is also pretty old, you may run into dependency problems. I'm going to guess that you may be running Linux; the stable repositories tend to have quite old versions of R. Go to CRAN and follow the links for your operating system to update ...
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I just created my first R package and started my first GitHub repo. The main function of the R package and some data files are still in development and I would like to track changes with colleagues on GitHub.
Should my repo consist of prepackaged files (pre-Rd) or packaged files? Every other R repo I've seen has packaged files but I assume they aren't still in the initial development phase.
If you want to build a package then you should start building it with the appropriate directories and supplemental files, but you just work on developing your source code until you've created a minimum viable product, at which one you can create an install-able package and update it as often as you like.
Truly, the sooner that you create the package the better because it paves the way to the best practice of iterative development and it also helps you to spot bugs as you make changes to your source code.
There's a good tutorial on building packages on GitHub at this blog I like called Hack-R.com (shameless self-promotion).
http://hack-r.com/write-an-r-package-from-scratch-with-github/
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I tried to install packages in R. But, R software gives warning messages in the below picture. How to install packages in ?
That doesn't look like a 'warning,' necessarily. It's just telling you that it downloaded that file and where the file was placed on your computer.
Did you try: library(bujar) ?
Make sure that your internet connections and make sure that this packages whether or not available in your R version..
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Is it possible to run a R script using a web server, similar to Perl CGI?
Yes and you can even run Rstudio remotely on a webpage.
If you want to just run a R script, you have several options:
you can simply ssh your computer that have R
find an online solution (here is the list from CRAN).
build your own server with Rook
depending what you want to do a shiny app could help as well
You have other solutions such as rApache if you didn't like other soltutions
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(this is an easy and silly question but I don't know how to do)
I don't know how to install a .tar.gz file.
I have download "SQLite Database Browser" here : http://sourceforge.net/projects/sqlitebrowser/
And it's a tar.gz file.
So I have found some stuff about it, I tried "./configue" "make" "makeinstall" but none of them work.
I'm sure there is an easy question because I don't find how install it but people seems to have intalled it.
Being Qt project they use "qmake" (that comes with Qt development package) instead of configure.