Installing R in Mac
Ashu Guru
Author
03/13/2019
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273
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Installing R in Mac
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- [00:00:00.120]Hi in this short tutorial we will take a look at how do we install R on our
- [00:00:06.453]desktop.
- [00:00:07.360]In addition, I will also talk about how do we install
- [00:00:11.171]a software called as R Studio, which is an integrated development
- [00:00:15.829]environment which provides an improved interface to interact with R I'm working
- [00:00:21.475]on a Mac machine, so this tutorial is for a OS10 platform.
- [00:00:25.840]So in order to download R, we will go to a website www.rminusproject.
- [00:00:31.337]org and on the left side you will see there's a link called CRAN.
- [00:00:36.800]Under download.
- [00:00:39.800]I'll select the UCLA link and then I am on OS 10 and I will download the latest
- [00:00:51.388]version of the package.
- [00:00:56.040]So now that the software has been downloaded, I am going to install it.
- [00:01:02.320]Here is the package.
- [00:01:04.000]I'm going to double click and it says install, continue, continue, continue 3,
- [00:01:16.478]install for all users, continue install and it asks me for the
- [00:01:26.430]admin password.
- [00:01:29.960]And once I fill that in, so R has been installed,
- [00:01:37.960]now I can actually remove this one.
- [00:01:44.400]And if I look into the Finder within my applications,
- [00:01:50.463]I should be able to see an R.
- [00:01:54.200]So if I click on that, it opens the default R console.
- [00:02:02.440]And this is the console that we will generally interact with if we did not
- [00:02:09.124]have an R Studio.
- [00:02:10.680]So just for testing whether R is working, we'll I'll type in 2 + 3 and hit enter.
- [00:02:17.000]It gives us 5 and essentially this means that our R software has been installed.
- [00:02:23.920]Now let's go ahead and install the R Studio which is a IDE.
- [00:02:31.520]And in order to do that before I install that, I'm going to close this.
- [00:02:37.200]I am not going to save any session.
- [00:02:40.280]I'll go back to my browser and I'm going to go to a website www.rstudio.
- [00:02:47.401]com and there I will see there is an Rstudio IDE.
- [00:02:53.440]Then I will click Download Rstudio for Mac and I need the desktop version so
- [00:02:59.803]I'll click on Download Rstudio Desktop and since the website was able to detect
- [00:03:06.414]what kind of a machine this request came from,
- [00:03:10.299]it is already recommending that I download the Mac OSN 64 bit version and
- [00:03:16.414]I'm going to save this as so the download is complete.
- [00:03:21.240]I'm now going to install the R Studio and the package download was here.
- [00:03:30.400]If I double click, all I need to do is drag this into my
- [00:03:36.393]applications folder and if I close this window now I don't need this on my
- [00:03:44.278]desktop.
- [00:03:46.200]I go back to the Finder window and within my applications there should be R Studio.
- [00:03:51.240]So if I click on R Studio now and it warns me that it is a application
- [00:03:56.835]downloaded from the Internet, Are you sure you want to open it?
- [00:04:01.880]I will say yes, open.
- [00:04:04.360]So here is the default window and this is the same console that we saw when we
- [00:04:12.399]launched R and we have additional to windows.
- [00:04:17.080]But now in order for me to start a new script,
- [00:04:21.362]I will click on Add new R script and there is a new text window that opens and
- [00:04:28.561]I will say 2 + 3 and then I click run and it actually copies my code,
- [00:04:34.939]my instruction into the console and runs it.
- [00:04:40.960]So that is it for now.
- [00:04:42.280]And basically in this short tutorial, we actually went through the process of
- [00:04:47.764]installing R and then we added a another software which is called as R Studio.
- [00:04:54.040]R Studio helps us use R in a more user friendly way.
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