R-bloggers - Part 22

Book Review – Pandas Workout

February 12, 2025 | Jonathan Carroll

Python seems to be everywhere these days, and I’m really into learning languages, so it should come as no surprise that I’m learning a lot of Python. This post serves as a review of Pandas Workout as well as a ‘first impression’ review of the Pandas a...

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Is CRAN Holding R Back?

February 12, 2025 | Ari Lamstein

Today the R package acs was recently “archived” from CRAN. This led to the choroplethr package (which I maintain) also being “archived”. I write “archived” in quotes because CRAN stands for “Comprehensive R Archive Network”: everything on it is part of an archive and it appears that nothing is ever ... [Read more...]

A First Look at TimeGPT using nixtlar

February 11, 2025 | Joseph Rickert

This post is a first look at Nixtla’s TimeGPT generative, pre-trained transformer for time series forecasting using the nixtlar R package. As described in Garza et al. (2021), TimeGPT is a Transformer-based time series model with self-atten...

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How to use large language models to assist in systematic literature reviews

February 11, 2025 | Bluecology blog

How to use large language models to assist in systematic literature reviews In the near future, we will all be doing systematic lit reviews by getting LLMs to gather data from papers. Below is an example of how to extract text data from a study. Once ... [Read more...]

R version of survivalist: Probabilistic model-agnostic survival analysis using scikit-learn, xgboost, lightgbm (and conformal prediction)

February 11, 2025 | T. Moudiki

Survival analysis is used to predict the time until an event of interest occurs. In this post, I show how to use scikit-learn, xgboost, lightgbm, and conformal prediction for probabilistic survival analysis

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Bootstrap vs Standard Error Confidence Intervals

February 10, 2025 | R on Jason Bryer

During a recent class a student asked whether bootstrap confidence intervals were more robust than confidence intervals estimated using the standard error (i.e. $SE = \frac{s}{\sqrt{n}}$). In order to answer this question I wrote a function to simulate taking a bunch of random samples from a population, ... [Read more...]

Estimating a Bayesian proportional hazards model

February 10, 2025 | Keith Goldfeld

A recent conversation with a colleague about a large stepped-wedge design (SW-CRT) cluster randomized trial piqued my interest, because the primary outcome is time-to-event. This is not something I’ve seen before. A quick dive into the literature su...

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Dealing with correlation in designed field experiments: part II

February 9, 2025 | R on Fixing the bridge between biologists and statisticians

With field experiments, studying the correlation between the observed traits may not be an easy task. For example, we can consider a genotype experiment, laid out in randomised complete blocks, with 27 wheat genotypes and three replicates, where sev... [Read more...]

Kerning and Kerning in a Widening Gyre

February 6, 2025 | R on kieranhealy.org

This post summarizes an extended period of deep annoyance. I have tried to solve the problem it describes more than once before and not quite done it. This has, in fact, happened again. I have still not satisfactorily solved the problem. But this time I know why I can’t ... [Read more...]

Setting up VScode for R and Cline

February 6, 2025 | Bluecology blog

Setting up VScode for R and Cline Cline lets you create and run entire workflows via using prompts to a large language model. Its not widely used in the R community yet, but I expect it will be soon. You can create your entire R project, interpret the... [Read more...]

Simpson’s Paradox in a Logistic Regression

February 6, 2025 | Nina Zumel

Simpson’s paradox is when a trend that is present in various groups of data seems to disappear or even reverse when those groups are combined. One sees examples of this often in things like medical trials, and the phenomenon is generally due to ...

$\beta_{exercise}$

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Everything You Need to Know About Submitting a Talk for ShinyConf 2025

February 6, 2025 | Joanna Moćko-Łazarewicz

Are you thinking about submitting a talk for ShinyConf 2025 but unsure where to start? Here are some insights from our ShinyConf Planning Committee on what makes a great proposal. Call for Speakers is almost coming to a close (Deadline has been extended to February 9th), so here are tips to ...

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How many times do I need to take a test to randomly get all questions correct?

February 5, 2025 | Jason Bryer

Darrin Rogers asked on Mastadon what are the “number of tries it would take, guessing randomly, to get 100% on a quiz if you had unlimited retries.” Here we will outline two ways to solve this problem: using a simulation and using a combination o...

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Alternative Hover Text In Custom Function with plotly

February 5, 2025 | Author: Kurtis Smith

Problem How to add alternative text when hovering over a value using plotly for R. A few considerations I had to navigate: plotly behaves well when referencing columns already assigned in one of it’s arguments, for this problem, the variable i... [Read more...]

Inflation in mediaeval China

February 5, 2025 | datascienceconfidential - r

In this post, I would like to draw attention to a very interesting data set collected by Guan, Palma and Wu as part of the replication package for their paper The rise and fall of paper money in Yuan China, 1260-1368. The paper describes inflation, mon...

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New version of package gDefrag

February 5, 2025 | Frederico Mestre

We have developed a new version of the gDefrag package. The previous version has been retired from CRAN due to dependencies on outdated packages. This updated version is still under development and may contain limitations. Please exercise caution when using it. I have just uploaded a new version of the ...

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Open Science and Open Source only with Diversity, Equity, Inclusion, and Accessibility

February 4, 2025 | rOpenSci - open tools for open science

At rOpenSci, our mission is to foster a culture that values open and reproducible research using shared data and reusable software and we achieve this through creating social infrastructure through a welcoming and diverse community We feel it is a... [Read more...]

Designing monochrome data visualisations

February 4, 2025 | R on Nicola Rennie

First of all, let’s start with a definition of what we mean by monochrome (or monochromatic). Creating a monochrome chart essentially means only using different shades of one colour. In most cases, this means different shades of grey (or black an...

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Crane 1.0.0 released!

February 4, 2025 | Open Analytics

Publishing is an integral part of the data analysis process. Whether it’s in the form of code, reports or technical documentation, at some point artifacts need to be shared. More often than not, such artifacts are confidential and their access n...

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Working with Time to battle Baby Amnesia

February 3, 2025 | John Russell

Battling first child amnesia I am a father of two sons; one 4.5 years old, and the other is but a few months. This may seem weird, but even though I went through everything with my first son… I have complete amnesia about what was normal, what ...

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