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🦜 Notes from a data witch

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A data science blog by Danielle Navarro

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Plotting data in Julia

Published: March 2, 2024 13:00

And so we come to the third post in my extremely ill-considered foray into learning Julia. In the first part of the series I taught myself some of the foundations for writing Julia code, in the second part I discussed data wrangling in Julia, and so in the…

Working with data in Julia

Published: March 1, 2024 13:00

This is the second of an impromptu three-part series in which, in a decision I am rapidly starting to regret as these posts get longer and longer, I decided it was time to teach myself how to use Julia. In the first part of the series I looked at some…

A foundation in Julia

Published: February 29, 2024 13:00

After many years of procrastination and telling myself I’ll get around to it later, I’ve finally decided that now is the time for me to start learning Julia. At this point in my life I am strong in R, passable in Javascript, and can survive in SQL, C++ and…

Creating new generative art tools in R with grid, ambient, and S7

Published: February 24, 2024 13:00

Warning Content note: This post includes mentions of sexual assaults, and other unpleasant topics that relate to LGBT experiences of the world Prelude I It has been a minute since I wrote anything new, but thankfully I have found time for another…


Published: January 25, 2024 13:00

Over the last few weeks I’ve been posting generative art pieces on mastodon from a generative art system I’ve called splatter. It creates pieces like these: The splatter series has a lot in common with other generative art systems I’ve…

Making generative art with observable.js

Published: January 8, 2024 13:00

About this time last year I wrote a little blog post about my first attempts to make generative art in javascript with p5.js. Because I was using this quarto-based blog as the vehicle for that exploration, and because quarto supports observable.js as a…

Notes on the Emax model

Published: January 8, 2024 13:00

I’m back at work after my all-too-brief summer vacation, and thankfully it’s not too busy since everyone else has been on break too. It’s given me a bit of breathing room to do some reading for professional development purposes, and – since I find it helps…

Writing knitr hooks

Published: December 29, 2023 13:00

A very common situation I encounter when writing a blog post or writing a book chapter using R markdown or quarto arises when the command I want to use generates a lot of output, and I don’t want all of the output to be displayed in the output. Every time…

Fine-grained control of RNG seeds in R

Published: December 26, 2023 13:00

Ah fuck it. So. Earlier this morning1 I posted on mastodon about the sense of sadness I have about the death of turn-of-the-century-yes-this-century blog culture: I was reading a thread about how the norms around blog posts have changed over the years,…

The blogdown of theseus

Published: December 22, 2023 13:00

It is the first day of my summer vacation. The out-of-office autoreply is on. I have a full tank of gas, half a pack of cigarettes, the sun is shining, and I’m wearing a sequined dress. Blues Brothers it is most certainly not, but a certain attitude is in…