woodpeckR: coding, one acorn at a time

A Semi-Automated Process for Converting Slides to a Blog Post in RMarkdown

Recently, I adapted slides from one of my talks into a blog post format, with each slide’s narration transcribed below it. In my experience, people don’t usually post slides…

Kaija Gahm

Oct 14, 2021

greenT part 2: Behind the app

shiny

A more detailed explanation of some of the code that makes the greenT app work.

Kaija Gahm

May 13, 2021

greenT: Exploring grapheme-color synesthesia

shiny

An introduction to a Shiny app I built to show friends the inner workings of my brain–and some musings on my experience learning Shiny this year.

Kaija Gahm

May 9, 2021

%$%: upping your pipe game

I love the magrittr/dplyr pipe: %>%. But it’s meant to work with tidyverse functions, and it doesn’t always work well with base R functions that take a single data frame…

Kaija Gahm

Feb 10, 2020

Some lessons from rstudio::conf 2020

RStudio

conference

Posit

Some of my thoughts about R and the R community after attending the 2020 rstudio::conf in San Francisco.

Kaija Gahm

Feb 3, 2020

If ifelse() had more if’s (case_when(), part 2)

tidyverse

In which I learn how to make case_when() behave like a true if/else, including the else part. What happens when you only want to assign particular outcomes to a few cases…

Kaija Gahm

Nov 22, 2019

Loading packages efficiently

A trick I sometimes use to load a whole bunch of packages for every script in a project, while saving myself some typing. (Preview image from…

Kaija Gahm

Oct 12, 2019

If ifelse() had more if’s (case_when(), part 1)

tidyverse

In which I discover dplyr’s case_when() function, a vectorized version of ifelse().

Kaija Gahm

Oct 11, 2019

Initializing an empty list

When you’re using a for loop to fill up a list, sometimes it’s a good idea to initialize the list ahead of time, with the right number of elements but with no data. But…

Kaija Gahm

Sep 13, 2019