Category: R

1. Cambios en la población adulto mayor entre los censos 2017 y 2024 2025-12-10

   Utilizo tablas y mapas basados en el paquete chilemapas para mostrar los cambios en la población adulto mayor entre los censos 2017 y 2024 en Chile.

2. Mapas para Explorar los Resultados del Censo 2024 de Población y Viviendas en Chile usando 'd3po' 2025-12-08

   Luego de corregir los códigos territoriales en los datos del Censo 2024, muestro algunos mapas interactivos utilizando 'd3po'.

3. Censo 2024 de Población y Viviendas en Chile con Códigos Territoriales Corregidos 2025-12-05

   He liberado los datos censales en formato DuckDB para proporcionar los datos censales con los códigos

4. Explorando los datos del Censo 2024 de Población y Viviendas en Chile 2025-12-04

   Analizo el porcentaje de población por nivel educacional y región a modo de explicar como realizar

5. How to deploy a Shiny app for production 2025-11-14

   Where to start for deploying Shiny apps for production use, including hosting services and server setup.

6. Creating a London Population Map with D3po 2025-11-14

   Learn how to create a population density map of London using the D3po package in R.

7. R 4.5.1 - Batteries Included 2025-10-30

   R 4.5.1 installer for Windows with OpenBLAS and Rtools included

8. ¿Qué es el Índice de Gini y cómo calcularlo? 2025-10-30

   Una guía para entender y calcular el Índice de Gini en R

9. An update to Open Trade Statistics to showcase Tabler and D3po 2025-10-28

   Showcasing D3po groups and subgroups for data visualization

10. Tabler 0.1.0 is here! 2025-10-27

    Tabler Dashboard implementation for R/Shiny

11. Using D3po with Tabler 2025-10-27

    D3po+Tabler demo

12. D3po 1.0.0 is here! 2025-10-18

    It only took me five years

13. A Personal Message from an Open Source Contributor 2025-10-16

    Dear fellow developers and data scientists...

14. cpp4r is now on CRAN! 2025-10-16

    The cpp4r package aims to help users to interact with R objects using C++ code.

15. Add a test coverage badge to your R packages using GitHub Actions 2025-10-10

    Generate a test coverage badge for your R packages using GitHub Actions without needing a separate service

16. Double y-axis plots with ggplot2 and purrr 2025-10-03

    Scaling data to create double y-axis plots.

17. R Para Ciencia de Datos - Explorar - Visualización de datos 2025-09-30

    Lectura guiada del capítulo 3 de 'R Para Ciencia de Datos'.

18. Introducing cpp4r A C++ Interface for R's C Interface 2025-09-29

    The cpp4r package aims to help users to interact with R objects using C++ code.

19. Spurious Correlations in R - Correlation is not Causation 2025-09-27

    The spuriouscorrelations package aims to help educators to explain why correlation does not imply causation.

20. Creating a simple R package with C++ code to sum \"a + b\" using different data types 2025-09-26

    This video covers the basics of R and C++ syntax.

21. Creating a simple R package with C++ code to sum \"a + b\" using different data types 2025-09-24

    A tutorial on creating a simple R package that includes C++ code for a basic operation (video).

22. A Personal Message from an Open Source Contributor 2025-09-23

    Dear fellow developers and data scientists...

23. Creating a simple R package with C++ code to sum \"a + b\" 2025-09-23

    A tutorial on creating a simple R package that includes C++ code for a basic operation (video).

24. Open Trade Statistics v6.0 is publicly available! 2025-09-22

    Expanded database including 2023 trade flows and redesigned dashboard.

25. wbstats is back on CRAN 2025-09-14

    Search and download data from the World Bank Data API.

26. How much can President Trump's Tariffs Impact Canadian Households? 2025-09-12

    An exploratory analysis of the potential effects of President Trump's tariffs on Canadian households using

27. The 'Tanakh' R package 2025-09-12

    An R package for accessing the Tanakh (Hebrew Bible) with English and Hebrew text.

28. Forced Disappearances in Chile (1973-1989) 2025-09-11

    Lest we forget.

29. Creating a simple R package with C++ code to sum \"x + 1\" 2025-09-10

    A tutorial on creating a simple R package that includes C++ code for a basic operation (video).

30. Installing RStudio and Positron on Manjaro Linux 2025-09-07

    Installers to keep track of the RStudio and Positron installation on Manjaro Linux.

31. Step-by-Step Guide to Use RSelenium with Firefox (Linux and Windows) 2025-09-05

    Using RSelenium and Firefox to organize hundreds of HTML sections into one table.

32. Step-by-Step Guide to Use R and Selenium on Windows 2025-09-04

    Using R, selenium and purrr to organize hundreds of HTML sections into one table.

33. Sending plain text emails when communicating with CRAN 2025-09-02

    Switch your email client to plain text mode before sending technical questions to CRAN and/or R mailing lists.

34. Do you need a custom R package or Shiny dashboard for your team? 2025-09-01

    I build production-ready R tools that solve business problems.

35. Efficiently merging multiple datasets 2025-08-31

    Using purrr to avoid repeating code.

36. Plotting with ukmaps v0.0.4 and ggplot2 2025-08-30

    This is the first proper version of UK Maps.

37. How to import Zotero files and convert the data into a bibliographic class 2025-08-29

    Answering reader's questions.

38. How do you make a histogram with equally sized dots or squares for each observation, and colour them by another 2025-08-29

    Answering reader's questions.

39. Plotting UK Maps with ggplot2 (Part 2) 2025-08-28

    Ukmaps is growing and will become a "real" R package.

40. How to learn C++ as an R user 2025-08-28

    Answering reader's questions.

41. Plotting UK Maps with ggplot2 2025-08-27

    Super early stage work but it will improve.

42. Capybara v1.8.0 is now available on CRAN 2025-08-27

    Comparison with Alpaca and Fixest.

43. Reading conditional formatting in XLSX files in a Tidy way with readxl 2025-08-26

    Data organization issues derived from not using the tools correctly and its solution.

44. Send Me Your Questions and Ideas 2025-08-26

    I'm always looking for ways to make this blog more useful for the R, Shiny, and C++ community.

45. A Personal Message from an Open Source Contributor 2025-08-26

    Dear fellow developers and data scientists...

46. Reading the background colour of an XLSX file in a Tidy way with readxl 2025-08-25

    Data organization issues derived from not using the tools correctly and its solution.

47. Deploying a Golem Shiny App to ShinyApps.io 2025-08-24

    How I had to troubleshoot some issues.

48. Replicating Hansen's Econometrics using Armadillo 2025-08-22

    The goal of the 'hansen' R package is to provide the datasets used in the exercises of the book

49. A Shiny app to visualize the Edgeworth box 2025-08-22

    Edgeworth box with contract curve for the 2x2 exchange model using Cobb-Douglas utility functions.

50. Step-by-Step Guide to Use R and Selenium to Scrape Empleos Publicos (Part 3) 2025-08-21

    Using R, selenium and purrr to organize hundreds of HTML sections into one table.

51. Step-by-Step Guide to Use R and Selenium to Scrape Empleos Publicos (Part 2) 2025-08-21

    Using R, selenium and purrr to organize hundreds of HTML sections into one table.

52. R Loves Math cpp11armadillo connects R with Armadillo C++ linear algebra library, prioritizes prioritize safety over speed 2025-08-21

    cpp11armadillo connects R with the Armadillo C++ linear algebra library through the modern cpp11 interface, providing developers with safer, more flexible tools for computationally intensive work.

53. Step-by-Step Guide to Use R and Selenium to Scrape Empleos Publicos 2025-08-20

    Using R, selenium and purrr to organize hundreds of HTML sections into one table.

54. Using Visual Studio Code to Debug R Packages with C++ Code 2025-08-17

    Connecting the VSCode debugger to cpp11 code.

55. Personalized R and Shiny training sessions 2025-08-15

    A time limited offer because of scholarship delays

56. New book 'C++ for R Users' and all my other books for free or 10 USD each 2025-08-12

    A time limited offer because of scholarship delays

57. A Personal Message from an Open Source Contributor 2025-08-11

    Dear fellow developers and data scientists...

58. Adding Shiny app's parameters to the URL 2025-08-10

    Modify the URL from Shiny UI elements and viceversa

59. Kendallknight An R package for efficient implementation of Kendall’s correlation coefficient computation 2025-06-19

    With 20,000 observations, this reduces the required operations from 400 million pairwise comparisons to 200,000 operations.

60. Celebrating 18 Years of ggplot2 A Special Bundle Offer 2025-06-15

    Get two books for the price of one to celebrate 18 years of ggplot2. Learn to create beautiful plots in R and Python.

61. R for Windows with OpenBLAS (Make Your R Code Run 30x Faster) 2025-05-26

    What if I told you that you could make your R computations run up to 30 times faster without modifying any of your code?

62. spuriouscorrelations An R package to show examples about spurious correlations 2025-05-17

    Correlation is not causation.

63. cpp11armadillo An R package to use the Armadillo C++ library 2025-02-19

    My 2nd PhD article

64. The REDATAM format and its challenges for data access and information creation in public policy 2025-02-17

    My 1st PhD article

65. Cpp11 pull requests to improve the integration of R and C++ 2025-01-25

    Proposed changes to cpp11 to improve the user experience.

66. Reading REDATAM databases in R 2024-10-03

    Read REDATAM databases directly into R using the REDATAM Converter

67. cpp11eigen 0.1.0 is available on CRAN 2024-08-26

    The idea is to pass matrices/vectors from R to C++, write pure

68. cpp11armadillo 0.3.0 is available on CRAN 2024-08-22

    The idea is to pass matrices/vectors from R to C++, write pure

69. Kendallknight an R package for Kendall's correlation coefficient 2024-08-16

    A solution that took me hours of 'averaging' Google search results and using my brain.

70. CP 1919 / PSR B1919+21 Dataset 2024-06-22

    aka Joy Division's plot

71. Advanced International Trade in R 2024-06-18

    A reference for those who come from Stata and want to learn R.

72. The Hitchhiker's Guide to Linear Models with codes and datasets sale 2024-06-17

    Extras package with codes and datasets.

73. The Hitchhiker's Guide to Linear Models 2024-06-08

    Some minor corrections.

74. Install PostGIS on Red Hat Enterprise Linux (RHEL) 8 2024-06-05

    A solution that took me hours of 'averaging' Google search results and using my brain.

75. If Doom runs everywhere, it must run on Shiny 2024-05-10

    I was able to run Doom on Shiny!

76. Logistic regression is not advanced 'machine learning' or 'artificial intelligence' 2024-05-01

    Logistic regression is using an exponential function and using the linear model repeated times to predict the probability of a binary outcome.

77. tabulapdf Extract Tables from PDF Documents 2024-04-29

    R bindings to the Tabula java library.

78. Tetley caffeine meter replication with ggplot2 2024-04-05

    Customizing a ggplot2 object to change backgrounds and other elements.

79. Canadamaps 0.3.0 2024-03-24

    Plot maps of Canada with ggplot2 at different levels of aggregation.

80. Introducing cpp11armadillo R and Armadillo integration using the header-only cpp11 R package 2024-01-26

    The idea is to pass matrices/vectors from R to C++, write pure

81. Introducing Capybara Fast and Memory Efficient Fitting of Linear Models With High-Dimensional Fixed Effects 2024-01-19

    Short demonstration.

82. The Hitchhiker's Guide to Linear Models is now complete 2023-09-08

    My new book.

83. An R package with Baltagi's 'Econometric Analysis of Panel Data' datasets 2023-08-28

    Tidy datasets to let you focus on the econometric techniques rather than on data wrangling.

84. The Hitchhiker's Guide to Econometrics with Available Code in R 2023-08-16

    My new book.

85. The Hitchhiker's Guide to Econometrics Based on the famous R programming language 2023-08-11

    My new book.

86. Plotting a COVID-19 vaccination map with different projections (with updated versions of canadamaps and tintin) 2023-08-02

    Using a real dataset from Health Canada to show ggplot's flexibility.

87. One Weird Trick to Make Ggplot2 Columns the Same Width 2023-07-31

    Using "position_dodge" and "position_dodge2" functions for plots alignment.

88. Text Analysis in R - Exploring Barbie and Oppenheimer Reviews - Part 1 2023-07-27

    Much of the data proliferating today is unstructured and text-heavy.

89. Canadian Hansard Live Database 2023-07-27

    A ready to use SQL database that we can consult with dplyr.

90. Workshop Analyzing BarbieHeimer texts with R 2023-07-24

    Much of the data proliferating today is unstructured and text-heavy.

91. Step-by-Step Guide to Scrape UN Comtrade metadata with R and Selenium 2023-07-23

    Using purrr's map to combine thousands of tables into one.

92. R and/or Python training - 4 sessions - With discount 2023-07-23

    I'm happy to help you mastering the basics of R and/or Python, and therefore make your daily work easier and more enjoyable.

93. A naive simplex phase 2 implementation with C++ 11 and R 2023-07-18

    Combining for and while loops to print the tableau until finding an optimal solution.

94. Linear Models in R - Part 3 2023-07-13

    Keeping the examples aligned with changes in R since 2016.

95. Linear Models in R - Part 2 2023-07-13

    Keeping the examples aligned with changes in R since 2016.

96. Linear Models in R - Part 1 2023-07-13

    Keeping the examples aligned with changes in R since 2016.

97. The Hitchhiker's Guide to GGplot2 and Plotnine Updated and With Discount 2023-07-11

    Keeping the examples aligned with changes in R since 2016.

98. Credible intervals with Capybaras, R and Stan (rstan and cmdstanr interfaces) 2023-07-03

    Obtaining a credible interval with rstan and then the same credible interval with cmdstanr.

99. Building a basic Shiny app with Golem - Part II (Video) 2023-06-29

    Golem is a framework for Robust Shiny Applications.

100. Write a function with Python and R 2023-06-28

     The goal here is to write a function that tells us if a number is prime or not.

101. Tidy Freedom Index as an R Package 2023-06-26

     A concrete example about reshaping data to simplify the posterior analysis.

102. (Update) How to install RStudio, RStudio Server and Quarto with 'apt install 2023-06-24

     Install R packages as you would do on Windows.

103. Student's t-test explained with R and Pokemon 2023-06-24

     Gotta Test 'Em All!

104. Building a basic Shiny app with Golem - Part I (Video) 2023-06-08

     Golem is a framework for Robust Shiny Applications.

105. Moving from bookdown to Quarto (and the corresponding GitHub Actions changes) 2023-06-06

     What I did to keep R4DS-ES simple.

106. Tidying the Freedom Index 2023-06-05

     A concrete example about reshaping data to simplify the posterior analysis.

107. Debunking the idea that cpp11 does not offer OpenMP support 2023-06-05

     A concrete example with lists to debunk a common myth.

108. 'ggplot2' Palettes From Tintin Comic Books 2023-05-29

     A few examples using head trauma data from the comic itself.

109. Moving from Blogdown to Quarto 2023-05-29

     What worked and what didn't work immediately, and how to get everything running.

110. Moving from Blogdown to Quarto 2023-05-29

     What worked and what didn't work immediately, and how to get everything running.

111. An introductory workshop in Shiny, June 1st from 17.30 to 18.30 (FREE) 2023-05-23

     Personalised training to learn R and Shiny.

112. Cpp11 (R package) vendoring 2023-05-23

     Copying the code for the dependencies into my project’s source tree.

113. A step by step guide to write an R package that uses C++ code (Ubuntu) 2023-05-21

     Using cpp11 (R package) on Ubuntu.

114. Using bookdown with gh-pages 2023-05-18

     Deploying bookdown to gh-pages with GitHub Actions

115. (Update) How to install RStudio and Quarto with 'apt install 2023-05-10

     Install R packages as you would do on Windows.

116. Modifying the shinydashboard theme with one line 2023-05-04

     How to apply organizational/corporate themes to shinydashboard.

117. The Perfect Setup for Ubuntu and R (and how to install/update RStudio with apt install rstudio/apt update) 2023-04-30

     Install R packages as you would do on Windows.

118. Install the sf package on Ubuntu 20.04 2023-01-17

     Ggplot2 effective visualization.

119. Export in Bananen in Tonnen von 1994-2005 (Banana exports in tonnes from 1994-2005) 2022-12-21

     Ggplot2 effective visualization.

120. SQL Databases for Students and Educators 2022-12-15

     Personalised training to learn R and Shiny.

121. R and Shiny Training 2022-12-15

     Personalised training to learn R and Shiny.

122. R and Shiny Training 2022-11-06

     Personalised training to learn R and Shiny.

123. Clases de R y Shiny en Castellano 2022-11-06

     Clases personalizadas para aprender R y Shiny.

124. Entrevista con la Dra. Julia Silge 2022-08-23

     PLN, flujos de trabajo reproducibles, papel de la ciencia de los datos, y más. Esta es la mejor entrada que encontrarás en mi blog.

125. ¿Es Pi Aleatorio? 2022-08-13

     Una simulación con supuestos ficticios para obtener una estimación

126. Un extraño truco para obtener el máximo (o el mínimo) 2022-08-09

     Uso eficiente de las funciones vectorizadas

127. Generalized Linear Models, Part I The Logistic Model 2022-07-18

     An applied short approach to Generalized Linear Models.

128. Comparing CENSO 2017 versions for Python and R 2022-06-20

     Using DuckDB with different languages

129. One Weird Trick to Obtain the Maximum (or Minimum) 2022-06-10

     Efficient use of vectorized functions

130. leaRn! (learn R) 2022-05-28

     I'm offering R training

131. RStudio on Kubernetes 2022-02-02

     One click application you can deploy on Kubernetes clusters

132. Shinywordle A shiny app to solve the game Worldle and the power of regular expressions 2022-01-14

     A quick demo of regular expressions in R and their power.

133. Using Arrow with Shiny 2022-01-03

     A quick exploration of different technologies to work with

134. Comparing SQLite, DuckDB and Arrow with UN Trade Data 2021-08-27

     A quick exploration of different technologies to work with

135. Using the R-Universe 2021-08-26

     The R-Universe provides a very simple way to create personal CRAN-like

136. Usando el R-Universe 2021-08-26

     El R-Universe proporciona una forma muy sencilla de crear repositorios

137. analogsea Using Arrow, S3 and DigitalOcean for efficient model fitting in RStudio 2021-07-17

     How to fit models by using the cloud with a minimal data transfer to

138. Wes McKinney InteRview 2021-06-06

     The road to ease data access easier and making research results more reproducible.

139. Microeconomic Theory and Linear Regression 2021-04-02

     Linear models and models comparison to estimate apples production.

140. The Hitchhiker's Guide to Ggplot2 and Plotnine Flash Sale 2021-01-04

     These books will help you master R and Python plots the easy way.

141. SQL Databases for Students and Educators 2020-09-18

     Different SQL engines to cover small edge cases when moving between DB back ends

142. A Crash Course on PostgreSQL for R Users 2020-08-09

     How to read and write data in efficient ways

143. The Hitchhiker's Guide to Ggplot2 is for sale at $10.00 2020-05-12

     The Hitchhiker's Guide to Ggplot2 is for sale at $10.00

144. Dr. Julia Silge InteRview 2020-04-14

     NLP, reproducible workflows, data science role, and more. This is the best blog entry that you'll ever find in my blog.

145. Thomas Lumley InteRview 2020-04-09

     Survey analysis in R, community contributions, and more.

146. Apply for the Google Summer of Code and Help Us Improving The R Code Optimizer 2020-03-20

     Contribute to open-source while earning some cash.

147. LP and Tidy Data Principles 2020-02-04

     Searching keywords and patterns in LP songs.

148. A full RStudio Server setup for Package Development in 5 minutes 2019-12-21

     Go from zero to a full setup to fit models in a few clicks.

149. The Hitchhiker's Guide to Ggplot2 + The Hitchhiker's Guide to Plotnine 2019-12-21

     This book will help you master Python plots the easy way.

150. A full RStudio Server setup to use H2O in 5 minutes 2019-10-05

     Go from zero to a full setup to fit models in a few clicks.

151. Open Trade Statistics An Independent project that values reproducible research and provides tidy trade data 2019-09-22

     A nice example of R in production, in my opinion.

152. d3po R package for easy interactive D3 visualization with Shiny 2019-09-22

     The definitive htmlwidget is a combination of existing ideas, blended in a different way.

153. Hyde Mod A blogdown theme with full XML feed and custom MathJax for equation numbering 2019-09-08

     A customized theme for blogdown and hugo.

154. An updated version of The Hitchhiker's Guide to Ggplot2 2019-09-08

     This book will help you master R plots the easy way.

155. A new image on DigitalOcean to start using RStudio Server without waiting more than 2 minutes 2019-04-27

     I initially made an image for DigitalOcean because I wanted to spend my lectures and workshops giving useful examples and not solving software installation issues.

156. How to install R on Mac, Ubuntu and Windows 2019-04-07

     This is a beginner guide that is designed to save yourself a headache and valuable time if you decide to install R yourself.

157. Compiling R with multi-threaded linear algebra libraries on Ubuntu 2018-04-21

     A guide for multithreaded R performance

158. How many sticker envelopes do I need to complete the FIFA World Cup album? 2018-04-14

     A simple simulation written in R

159. Writing tables into a PostgreSQL database using R 2018-03-14

     A short guide to install and use RPostgreSQL and/or odbc packages.

160. Is Microsoft R Open faster than CRAN R? 2017-12-02

     Installing R with different numerical libraries and benchmarking them.

161. Rick and Morty and Tidy Data Principles (Part 3) 2017-11-06

     Searching keywords and patterns in the TV show.

162. Rick and Morty and Tidy Data Principles (Part 2) 2017-10-22

     Searching keywords and patterns in the TV show.

163. Quickly Install R on Ubuntu 17.10 2017-10-20

     Install R on Ubuntu the fast way and without missing dependencies.

164. Rick and Morty and Tidy Data Principles (Part 1) 2017-10-13

     Searching keywords and patterns in the TV show.

165. Quickly Install R on Ubuntu 16.04 2017-10-03

     Install R on Ubuntu the fast way and without missing dependencies.

166. Install R, Python and Pelican Blog Tool on Windows 2017-08-28

     Install R and more tools using Chocolatey package manager.

167. Working With SPSS Data in R 2017-06-24

     Work with SPSS format and labelled data in R.

168. Linear Regression and ANOVA shaken and stirred (Part 2) 2017-03-21

     These concepts are understood as separate concepts most of the times. The truth is they are extremely related to each other.

169. Linear Regression and ANOVA shaken and stirred (Part 1) 2017-03-20

     These concepts are understood as separate concepts most of the times. The truth is they are extremely related to each other.

170. Structural Equation Modelling in R (Part 2) 2017-01-15

     Here we explain how to estimate SEM models coefficients without a theoretical introduction

171. Install R and Python via Homebrew 2017-01-08

     Install R and more tools using Homebrew, and save yourself a headache and valuable time when you need newer software versions.

172. Using googlesheets and mailR packages in R to automate reporting 2016-12-18

     Using Excel for reporting has its drawbacks, here I share a way to solve some of those drawbacks.

173. Structural Equation Modelling in R (Part 1) 2016-12-07

     Here I explain how to estimate CFA models coefficients without a theoretical introduction

174. RStudio Server on OS X Sierra 2016-11-25

     I had to install RStudio Server in a computer recently upgraded to OS X Sierra.

175. Joy Division's Unknown PleasuRes 2016-11-09

     I wanted to create a wallpaper and here's how I solved white borders and some difficulties.

176. RStudio Server on OS X El Capitan 2016-10-21

     This is the result of trial and error until I got RStudio Server working in my network.

177. Creating a timeline using R 2016-02-02

     Step by step tutorial to create a timeline that you can open on any browser.

178. Using Rmd Markdown in Pelican 2015-12-25

     A definitive setup for OSX.