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Gonzalo Garcia-Castro

pymbrola: A Python interface to the MBROLA speech synthesiser

python
package
linux
wsl
speech synthesis
language
mbrola
tutorial

I programmed a Python module that provides an interface to the MBROLA speech synthesiser: pymbrola. This post is a guide on how to synthesise audios with the desired parameters using pymbrola.
Saturday, November 8, 2025
Gonzalo Garcia-Castro

Installing the MBROLA speech synthesiser

python
package
linux
wsl
speech synthesis
language
mbrola
tutorial

I programmed a Python module that provides an interface to the MBROLA speech synthesiser. This post is a guide on how to set up MBROLA on your Linux/MacOS or Windows system, so that you can use the pymbrola module (a tutorial in upcoming).
Monday, August 25, 2025
Gonzalo Garcia-Castro

Implementing the Differential Pathlength Factor (DPF) in Python: the Scholkmann method

python
fnirs
neuroimaging
I have news! I’m starting my postdoc at the Institut de Recerca Hospital Sant Joan de Déu (Barcelona, Spain) in September, joining Chiara Santolin’s new research group. We…
Sunday, November 24, 2024
Gonzalo Garcia-Castro

upfthesis: a Quarto template for thesis dissertations at UPF

r
quarto
thesis
book
pdf

I wrote my thesis dissertation in Quarto, using a custom template. Here I illustrate how it works and some tips.
Wednesday, January 10, 2024
Gonzalo Garcia-Castro

Using decktape to convert Quarto slides from RevealJS to PDF

r
quarto
revealjs
presentation
pdf

Using decktape to export my Quarto slides to PDF saved my life right before a submission deadline. I might save yours too.
Thursday, June 8, 2023
Gonzalo Garcia-Castro

Getting the most out of logistic regression

r
tidyverse
regression
statistics
logistic

Logistic regression models provide information way beyond a p-value. Using the {palmerpenguins} dataset, I review the relationship between the logistic and the logit functions, and how to interpret the coefficients of a logistic regression model, capitalising on marginal effects.
Sunday, January 22, 2023
Gonzalo Garcia-Castro

renv (o cómo usar paquetes de R sin ataques de pánico)

r
package
reproducibility
renv

{renv} es un paquete de R que permite instalar paquetes de R gestionar sus versiones para proyectos de forma independiente. Aquí resumo para qué se utiliza y cómo funciona.
Sunday, February 27, 2022
Gonzalo Garcia-Castro

@psicotuiterbot: Un bot de Twitter para Psicotuiter

r
rtweet
twitter
raspberry pi
bot
github

He creado un bot de Twitter que hace RT a cualquier mención a #psicotuiter. El código está escrito en R usando el paquete {rtweet} para interactuar con la API de Twitter, y está alojado en una Raspberry Pi que hace las veces de servidor ejecutando el código cada 15 minutos usando CRON.
Wednesday, December 29, 2021
Gonzalo Garcia-Castro

Creando un paquete de R: una guía informal

r
package
twitter
tutorial

En el canal de Twitch de Psicometries hicimos un directo en el que explicamos cómo se ha creado el paquete de R {psicotuiteR}, indicando cada paso lo mejor que hemos podido para que puedas replicarlo, contribuir al mismo paquete o incluso crear tu propio paquete en el futuro.
Sunday, November 14, 2021
Gonzalo Garcia-Castro

Exploring probability distributions through animations in Julia

julia
distribution
animation
statistics
probability

Visualising what different probability distributions look like under different parameters can be helpful when picking a likelihood function for you Bayesian analysis. I present some animations generated with Julia using Distributions.jl
Monday, October 4, 2021
Gonzalo Garcia-Castro

Visualising polynomial regression

r
statistic
regression
animation
ggplot

The outputs of polynomial regression can be difficult to interpret. I generated some animated plots to see how model predictions change across different combinations of coefficients for 1st, 2nd, and 3rd degree polynomials.
Thursday, January 21, 2021
Gonzalo Garcia-Castro

How similar is the word “mask” across languages?

r
linguistics
phonology
ggplot2
translation

Using the Levenshtein distance to quantify the orthographic and phonlogical similarity between translation equivalents of the word mask across multiple languages.
Friday, November 20, 2020
Gonzalo Garcia-Castro

Importing data from multiple files simultaneously in R

r
tidyverse
base
purrr
import

A comparison between base R and Tidyverse methods for importing data from multiple files
Sunday, July 5, 2020
Gonzalo Garcia-Castro

A primer on mixed-effects Models: theory and practice

r
statistics
multilevel
mixed models
animations

Slides from a tutorial on mixed-effects models I presented to my research group.
Tuesday, March 31, 2020
Gonzalo Garcia-Castro
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Citation

BibTeX citation:
@online{garcia-castro,
  author = {Garcia-Castro, Gonzalo},
  title = {Blog},
  url = {https://gongcastro.github.io/blog/},
  langid = {en}
}
For attribution, please cite this work as:
Garcia-Castro, G. (n.d.). Blog. https://gongcastro.github.io/blog/