Mapas para Explorar los Resultados del Censo 2024 de Población y Viviendas en Chile usando ‘apos;d3po’apos;
Luego de corregir los códigos territoriales en los datos del Censo 2024, muestro algunos mapas interactivos utilizando 'd3po'. [Read more...]
ARIMA-Black-Scholes: Semi-Parametric Market price of risk for Risk-Neutral Pricing (code + preprint)
The post demonstrates a semi-parametric approach using ARIMA models to extract the market price of risk from physical stock price simulations and transform them into risk-neutral paths for option pricing.
Introducing openESM: A database of openly available experience sampling datasets including R/Python interface
Experience sampling via mobile devices enables unprecedented insights into daily life. However, individual studies often cannot answer research questions conclusively, and open data are scattered across repositories in different formats. This impedes r... [Read more...]
Censo 2024 de Población y Viviendas en Chile con Códigos Territoriales Corregidos
He liberado los datos censales en formato DuckDB para proporcionar los datos censales con los códigos [Read more...]
Haskell IS a Great Language for Data Science
I’ve been learning Haskell for a few years now and I am really liking a lot of
the features, not least the strong typing and functional approach. I thought it
was lacking some of the things I missed from R until I found the
dataHaskell project.
There h... [Read more...]
What’s In The Box: Wrapped but not streamed 2025
I’m a music fan who is anti-streaming and instead I stubbornly maintain a large music collection. At this time of year, streamers receive a round-up of their year’s listening in a “wrapped” report. Not wanting to miss out, I set about rendering my own annual round-up using R! ...
New Preprint: Model Checking for Vector Autoregressive Models
Time series have become pervasive in psychological research and Vector Autoregressive (VAR) models have become one of the most popular classes of models to study within-person dynamics in such data. However, systematic checking of how well a VAR model ... [Read more...]
The 10 Golden Rules of Time Series Forecasting
Forecasting is more than just fitting a model. Here are 10 essential rules to ensure your time series models are robust, reliable, and realistic. [Read more...]
Embedding a Quarto presentation in a blog post
This post is a simple demo of how to embed a Quarto presentation in your website.
Quarto is a pretty nice open-source scientific publishing system which enables you to make presentations (powered by revealjs). It’s available by default in recent versi... [Read more...]
LatinR 2025: future.p2p: Peer-to-Peer Compute Clusters in R
Below are the slides for my future.p2p: Peer-to-Peer Compute Clusters in R talk that I presented at the LatinR 2025 online conference.
Title: future.p2p: Peer-to-Peer Compute Clusters in R
Speaker: Henrik Bengtsson
Session: packages
Slides: HT...
Net migration in Pacific island countries by @ellis2013nz
This is the second in my series of posts about population, migration, diaspora and related issues in the Pacific. See the first post in the series for more background. Today I’m looking at two charts relating to net migration and its role in Pacific is...
Analyzing Paper Reviews with LLMs: I Used ChatGPT, DeepSeek, Qwen, Mistral, Gemini, and Claude (and you should too + publish the analysis)
In the age of LLMs, leveraging their capabilities to analyze and interpret paper reviews can provide valuable insights. Here's how I used multiple LLMs to dissect the reviews I received for my recent submission. [Read more...]
dplyr and Oracle database with DatabaseConnector and JDBC on Windows
In a rather old post on this blog, I wrote about an Oracle database connection from R on Windows with ODBC when you have old Oracle clients (32 bit version) installed in an enterprise setup.
It’s still working on R 32 bit. But now R new releases are o... [Read more...]
tisthemachinelearner: New Workflow with uv for R Integration of scikit-learn
Discover the updated workflow of tisthemachinelearner, now utilizing uv for seamless R and Python scikit-learn integration.
R for Geospatial Predictive Mapping: Takeaways from the Talk
Title slide
Slides: https://jakubnowosad.com/rome2025
Video recording: https://youtu.be/uZe7thh80MI
Reproducible code: https://jakubnowosad.com/rome2025/index.R
Geospatial predictive mapping is a common task across many domains, aiming to p...
Visual summaries of population in Pacific islands by @ellis2013nz
This will be the first of several posts where I post some code and visualisations of population issues in the Pacific. The analysis and visualisations are pretty simple. Between them, they’ll show how to make (with publicly available data) all the stat...
Gaussian Processes Again
One nice aspect of blogging about the things you’ve just learned is that when, inevitably, you forget those things, reading back your old posts can bring you up to speed pretty quickly. It’s like a slight groove has been worn and you can slip ba...
Oil spill
Oiled Bird - Black Sea Oil Spill 11/12/07 – CC BY by Igor GOLUBENKOV (Marine Photobank)
Day 28 of 30DayMapChallenge: « Black » (previously).
There is a global oil spill dataset from 1967 to 2023 by Liu, Yin, and Cai (2025).
Config
library(glue)
library(dplyr)
library(sf)
library(janitor)
library(readxl)
library(leaflet)
library(leaflet.providers)
library(... [Read more...]
India’s 2015 National Classification of Occupations Data File
One of the projects I worked on this year was analyzing India’s labour market to identify potential occupational transition pathways. […] [Read more...]
October 2025 Top 40 New CRAN Packages
Data
AlgeriAPIs v0.1.0: Provides functions to access data from public RESTful APIs, including World Bank API and REST Countries API, retrieving real-time or historical information related to Algeria. The package enables users to query economi...
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