Blog posts

2024 road and para-cycling road world championships: preliminaRy analysis

From Sept 21 to Sept 29, Zurich will welcome the 2024 road and para-cycling road world championships. To mark the occasion, my friends and I went to do the 2 first loops…

Playing with Llama 3.1 in R

Meta recently announced Llama 3.1, and there’s a lot of excitement. I finally had some time to experiment with locally run open-source models. The small 8B model, in…

shinyMobile 2.0.0: a preview

shinyMobile has been enabling the creation of exceptional R Shiny apps for both iOS and Android for nearly five years, thanks to the impressive open-source Framework7 template…

Veerle van Leemput and David Granjon

EFS vs. NFS for RStudio on Kubernetes (AWS): Configuration and considerations

As a consulting company with a strong focus on R and Posit (formerly RStudio) products, we have gathered quite a bit of experience in configuration and deployment of…

Patrick Schratz

Accessing Google’s API via OAuth2

At cynkra we recently aimed to automate more parts of our internal toolstack. One tool is Google Workspace. Google Workspace offers a comprehensive REST API which can be…

Patrick Schratz

seasonal 1.9: Accessing composite output

seasonal is an easy-to-use and full-featured R interface to X-13ARIMA-SEATS, the seasonal adjustment software developed by the United States Census Bureau. The latest CRAN…

Google Season of Docs with R: useR! Information Board

“Google Season of Docs (GSoD) provides support for open source projects to improve their documentation and gives professional technical writers an opportunity to gain…

Running old versions of TeXlive with tinytex

Rendering PDFs with rmarkdown requires a working LaTeX installation, such as tinytex. Occasionally, existing workflows break with the newest version of LaTeX. This post…

tsbox 0.3.1: extended functionality

The tsbox package provides a set of tools that are agnostic towards existing time series classes. The tools also allow you to handle time series as plain data frames, thus…

Celebrating one-year anniversary as RStudio Full Service Certified Partner

certified partner

cynkra celebrates its first anniversary as an RStudio Full Service Certified Partner! Every day, we help our clients set up professional IT infrastructures using RStudio…

Cosima Meyer, Patrick Schratz

Deprecating a pkgdown site served via GitHub Pages

Websites for R packages built with {pkgdown} have become a de-facto standard over the last few years. Many R packages build their site during Continuous Integration (CI)…

Patrick Schratz, Kirill Müller

gfortran support for R on macOS

For a long time, gfortran support on macOS could be achieved by installing the homebrew cask gfortran via brew cask install gfortran.

Patrick Schratz

Seasonal Adjustment of Multiple Series

seasonal is an easy-to-use and full-featured R-interface to X-13ARIMA-SEATS, the seasonal adjustment software developed by the United States Census Bureau. The latest CRAN…

Dynamic build matrix in GitHub Actions

I wanted to try out the new fromJSON() that allows dynamic build matrices in GitHub Actions for quite some time now. Today was the day.

Setting up a load-balanced Jitsi Meet instance

Jitsi Meet is a self-hosted Free and Open-Source Software (FOSS) video conferencing solution. During the recent COVID-19 pandemic, the project became quite popular, and many…

Patrick Schratz

Maintaining multiple identities with Git

When committing to a Git repository related to my consulting work, I must use my company e-mail address, kirill@cynkra.com. Not so much for my open-source work – for this, I…

Relational data models in R

Relational databases are powerful tools for analyzing and manipulating data. However, many modeling workflows require a great deal of time and effort to wrangle data from…

Angel D’az, Kirill Müller

tempdisagg: converting quarterly time series to daily

Not having a time series at the desired frequency is a common problem for researchers and analysts. For example, instead of quarterly sales, they only have annual sales.…

tsbox 0.2: supporting additional time series classes

The tsbox package makes life with time series in R easier. It is built around a set of functions that convert time series of different classes to each other. They are…

Introducing dm: easy juggling of tables and relations

The dm package reduces your mental strain when working with many tables. It connects your data, while still keeping them in their original tables. You can easily perform…

Balthasar Sager

tsbox 0.1: class-agnostic time series

The R ecosystem knows a vast number of time series classes: ts, xts, zoo, tsibble, tibbletime or timeSeries. The plethora of standards causes confusion. As different…

Time series of the world, unite!

The R ecosystem knows a ridiculous number of time series classes. So, I decided to create a new universal standard that finally covers everyone’s use case…

Done “Establishing DBI”!?

The “Establishing DBI” project, funded by the R consortium, started about a year ago. It includes the completion of two new backends, RPostgres and RMariaDB, and quite a few…