Introduction to spotlights

The spotlights cover additional topics that complement the course units.

Before you start: These are optional extensions; choose only a topic you need.
Setup: Each Spotlight states its own software and account requirements.
Your check: Choose one optional extension without treating every Spotlight as required.

Choose the topic that helps with your current goal. The Spotlights are optional, independently usable extensions; you do not need to complete them in order.

Your goal	Starting point and prerequisites	A useful completion check
Keep a history of changes and share committed work	The many faces of GitHub. Use a practice repository you control; GitHub hosting needs your own account. Choose Desktop, command line or RStudio.	Find the same committed file locally and on GitHub, and explain the difference between commit and push.
Change the appearance of an HTML report	CSS in R Markdown. The styling recipe needs an R Markdown document that already renders to HTML.	Render the small example and identify the intended style change.
Keep packages available on Marburg university PCs	R packages on Marburg OPSI PCs. This route is specific to those PCs and their university-account drives.	Restart R and confirm the personal library path and an installed package, as described on the page.

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