This post is about how to change your R working directory. You might be wondering: Why would I want to do that? You need this as soon as your script interacts with folders on your computer. For example for imports or exports of data or figures. So probably almost always. Let's say you have a script that creates plots and saves them in the folder "Plots", which is located in your source file directory.

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In this post, I will show you some of my best practises for formatting tables in R Markdown. We will cover How to generally format tables (font, size, color... ) How to create tables with conditional formating (e.g. coloring values < 0 red) The basics: the R package kableExtra kableExtra is an awesome package that allows you to format and style your tables. It works similar to ggplot2: You create a base table and then add formating layers with the pipe operator %>%.

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I write this blogpost for someone, who has never worked with R Markdown. After you read this post, you will understand why R Markdown may be useful for your daily work as a student, researcher, analyst or data scientist. understand the basic structure of an R Markdown document and how you can get startet. I strongly encourage everybody working with R to use R Markdown. I promise, it will make your life so much easier.

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Heike Maria (PhD)

Data Science @MOIA working on the future of mobility, previously Data Science at @Xing on recommender systems and search