Crawl and extract data
Grabbing data from APIs
Export and read Data
data wrangling & analysis
Execute R code online
Use RPubs to publish R code
If the data is public and you want to show off your R skills you can use rpubs directly
You'll need to install the knitr package (v0.5 or later), there is a mini-tutorial just after registration
Use RStudio Cloud to publish private code.
There is a 'Cloud' version of RStudio, perfect for a quick demo. For more serious work, there is some dedicated plans.
Use GoogleColab for collaborative work
This is a little-known option but it's possible to use R inside GoogleColab
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%load_ext rpy2.ipython
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Then start your script by
%%R to execute1
%%R
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x <- 1:10
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x
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# it should display number from 1 to 10
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Native R on GoogleColab
there is an undocumented feature that allows running R code natively
more info here https://youtu.be/huAWa0bqxtA
I wouldn't rely on it, as it might disappear
Execute R code on GitHub