Posts

Assessing relationships with correlograms

We often find ourselves with a complex dataset containing numerous variables. One of the initial steps in the discovery phase - the initial analysis where you get familiar with the data - is using correlations to understand the relationships between the variables.

Last updated on Dec 22, 2023 8 min read R

Insights from Posit::conf(2023)

I’ve been attending posit::conf since 2019 (when it was still called rstudio::conf), and this year was no different. I really like the keynotes, talks, the community, meeting like minded data science, and R/Python enthusiasts.

Last updated on Sep 29, 2023 4 min read R

Using OTP (one-time passwords) in rstudio server open source

Background Lately, I decided to harden security a bit. This included securing my rstudio server (open source version) with one-time passwords. Two-factor authentication (or multi-factor authentication) is when you use a username, password, and another means of authentication, mainly a one-time password that’s generated and sent via SMS or email or, in this case, created by an authentication app.

Last updated on May 15, 2023 2 min read R

Some takeaways from rstudio::conf 2022

Last week I participated in the annual RStudio conference which took place in Washington DC. As always, a great experience, with a lot of hex stickers. (Me at rstudio::conf2022, with a background of a hex stickers wall)

Last updated on Aug 1, 2022 5 min read R

Creating your google chat R bot in under 5 minutes

We use Google workspace as our email and document solution (i.e., the gmail solution for businesses). A few days ago I was chatting with one of my colleagues and noticed this feature called: “Manage webhooks” in the chat window.

Last updated on Nov 25, 2021 3 min read R

Using Github Actions to update a shiny app on a private server

This post will teach you how to set up continuous deployment of shiny apps hosted on your private server (i.e., on an EC2 instance, AWS lightsail, Digital Ocean droplet, etc.

Last updated on Sep 21, 2021 7 min read R

A data science detective story (and there's a villain too)

Here is a detective story about some data science forensics, and there is a villain too. Background As a partner at a market research firm, I get involved in quite a lot of surveys.

Last updated on Jul 30, 2021 4 min read

YAPOEH! (Yet another post on error handling)

Error catching can be hard to catch at times (no pun intended). If you’re not used to error handling, this short post might help you do it elegantly.

Last updated on Nov 11, 2020 9 min read R

Teaching with zoom breakout-rooms and the learnr package

Corona has put us in an awkward situation, where we must rethink and revise our ways of doing things (teaching, working, baby sitting, balancing work and life, or any other related field of your choosing).

May 26, 2020 4 min read R

Set up RStudio server with Let's Encrypt SSL certificate

For a while now I’ve been struggling with various installation setup related to the open source versions of RStudio server, Shiny server (and dockerized versions of them). After browsing internet tutorials on-and-off for the last couple of weeks I’ve come to the conclusion that there is a small gap when it comes to setting up RStudio server and shiny server securely, i.

Mar 6, 2020 5 min read