Blog

Notes on data, models, applications and visualization. They are also a record of my own learning while building things.

Understanding SHAP one path at a time
R
machine-learning
explainability

Build a SHAP explanation from the predictions produced while transforming a background observation into the observation we want to explain.

Aug 14, 2026

Pokémon: visualize ’em all! Again
visualization
machine-learning
pokemon
highcharter

Revisiting Pokémon similarity with UMAP, ggplot2 and Highcharter.

Aug 14, 2026

Many models, many years later
minipost
purrr
highcharter

The talk that changed how I write R.

Jul 20, 2026

My favorite ggplot2 packages with examples!
minipost
ggplot2
dont-forget

A practical collection of ggplot2 extensions I use often.

Jul 23, 2023

Visualización en el Análisis de Datos
ggplot2
data-visualization
spanish

Explorando patrones, relaciones y estructuras en datos del Metro de Santiago.

Jul 9, 2023

Simulating and watching autoregressive processes
minipost
stats
highcharter
time-series
data-visualization

Simulating autoregressive processes and watching them evolve with highcharter.

Jun 18, 2021

Regression, ANOVA, and the t-test are related
minipost
stats
dont-forget

A reminder that regression, ANOVA and the t-test are closely related.

Jun 8, 2021

Using emoji with Highcharter
minipost
highcharter
visualization

Two ways to treat emoji as data and graphical marks in an interactive chart.

Jan 10, 2021

Minimalist tooltips with Highcharter
minipost
highcharter
visualization

A small Highcharts recipe for readable tooltips when a chart needs less visual furniture.

Jan 7, 2021

Favorite and retweet counts from @year_progress
minipost
highcharter
visualization

A historical look at how engagement changed as 2020 moved from 1% to 100% complete.

Jan 6, 2021

valueBoxes and Sparklines
shiny
highcharter
htmlwidgets

Adding sparklines and context to value boxes in Shiny dashboards.

Jun 29, 2020

The tale of two charts combined
data-visualization
highcharter

Combining a streamgraph and stacked columns to reveal two views of the same data.

Jun 24, 2020

30diasdegraficos Parte 3
spanish
highcharter
data-visualization
ggplot2

Más experimentos con anotaciones, texto, mapas y visualizaciones jerárquicas.

Jun 2, 2020

30diasdegraficos Parte 2
spanish
highcharter
data-visualization
ggplot2

Diez nuevas visualizaciones y recursos interactivos con highcharter.

May 22, 2020

30diasdegraficos Parte 1
spanish
highcharter
data-visualization
ggplot2

Diez ejercicios de visualización con R, ggplot2 y highcharter.

May 12, 2020

GOT Animating the Shifting of Affiliations
data-visualization
ggplot2
animation

Animating how Game of Thrones characters shift affiliations across seasons.

Apr 23, 2019

When charts are integrated in the web page
data-visualization
highcharter

Recreating a quiet chart designed to blend into its surrounding web page.

Apr 8, 2019

Using tooltips in unexpected ways
data-visualization
highcharter

Rendering images, tables and even charts inside Highcharts tooltips.

Feb 4, 2019

Giving a Thematic Touch to your Interactive Chart
data-visualization
highcharter

Adding thematic context and visual character to interactive charts.

Mar 3, 2017

Thematic Interactive Map
maps
data-visualization
highcharter
minipost

Recreating a thematic Swiss map as an interactive highcharter visualization.

Jan 20, 2017

Interactive and Styled Middle Earth Map
maps
highcharter

Building and styling an interactive map of Middle Earth with highcharter.

Dec 15, 2016

Replicating NYT Weather App
data-visualization
highcharter

Recreating an interactive New York Times weather chart with highcharter.

Dec 2, 2016

Case study: animation and other visualizations
visualization
highcharter
animation
climate

Comparing several ways to show the evolution of global temperature anomalies.

Jun 23, 2016

Adding motion to choropleths
maps
highcharter
animation

Using the Highcharts motion plugin to animate a choropleth map.

Apr 12, 2016

How to: Weather Radials
data-visualization
highcharter
ggplot2
minipost

Creating weather radials with highcharter and ggplot2.

Mar 24, 2016

BythMusteR: mobile phone evolution
visualization
highcharter

A historical look at how mobile phone size changed before and after the smartphone era.

Mar 1, 2016

Visualizing Chess Data With ggplot
data-visualization
ggplot2
chess

A collection of chess visualizations created entirely with ggplot2.

Oct 30, 2015

rchess a Chess Package for R
package
htmlwidgets
chess

Exploring chess games, positions and notation with the rchess package.

Oct 7, 2015

Visualizing sort algorithms with ggplot2
ggplot2
data-visualization

Visualizing sorting algorithms step by step with ggplot2.

Sep 25, 2015

Quarto post example
dont-forget

A compact test of Quarto metadata, code, widgets, figures and page layouts.

Jan 1, 2000
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