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About me

I am an economist, self-taught programmer, BI lead, author, and R enthusiast. I enjoy programming, writing and teaching. Focus of my work is on making complex things more accessible.

My GitHub presence features the R packages I have developed over the last couple of years. They broadly fall into the following categories:

My blog

I run the Topics in R blog which I mainly use for announcements (new packages, articles, books) and which also feeds into RBloggers. Here are the most recent posts (at least the major ones):


I try to keep away from social media (Github != social_media) to protect my time and be more productive, but I do use Twitter. If you want to receive the latest updates on my packages and learn about interesting things I come across, click @jsugarelli to follow.

Current projects

  • Writing an introductory microeconomics textbook (work in progress)
  • Giving lectures in economics at Hochschule München
  • Step: A simple, extendable, web-based programming language for beginners, written in PHP. With step-by-step exaplanation of program execution and support for multiple (natural) languages. Soon as a repo on GitHub.

Languages & Tools


but also from time to time
JavaScript Python PHP Perl C/C++

Generally, I like to try out new (or old?) things (ever written something in FORTH?)


For the tool freaks out there: My editor/IDE choice is quite language-dependent. I work mainly in R Studio (for R), Microsoft SQL Server Management Studio (for T-SQL), Heidi (for MySQL), and DBeaver (for Postgres and everything else). I also use Sublime Text (mainly for JavaScript, Perl and PHP code) as well as PyCharm (for Python). To organize everything I work with Microsoft To Do and Microsoft OneNote (my second brain, absolutely indispensable). And most importantly for efficiency and avoidance of frictions: I use the same tools at home and in my job.


GitHub stats


  1. Comfortable search for R packages on CRAN, either directly from the R console or with an R Studio add-in

    R 40 3

  2. xplain Public

    A framework for providing interactive interpretations and explanations of statistical results

    R 25 3

  3. xmlconvert Public

    Comfortably converting XML documents to dataframes and vice versa

    R 19 6

  4. switchcase Public

    A simple and flexible switch-case construct for the R language

    R 2

  5. debugr Public

    Debug tool to watch objects/expressions while running an R script

    R 16 4

  6. flatxml Public

    Tools for working with XML files as R dataframes

    R 21 3

2 contributions in the last year

Dec Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Mon Wed Fri

Contribution activity

December 2022

jsugarelli has no activity yet for this period.

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