R-bloggers

R Solution for Excel Puzzles

September 16, 2024 | Numbers around us

Puzzles no. 539–543PuzzlesAuthor: ExcelBIAll files (xlsx with puzzle and R with solution) for each and every puzzle are available on my Github. Enjoy.Puzzle #539Many companies have to diversify their source of resources, to optimize prices etc. So they usually have their orders somehow mixed between vendors. In this case ...

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Introducing Shiny Assistant – You Can Now Build Shiny Applications with GPT and GenerativeAI

September 16, 2024 | Dario Radečić

It finally happened. It’s been almost two years since the first release of ChatGPT. It took the world by storm, to put it mildly. In the short period that followed, we now have multiple companies building Generative AI platforms that were unimaginable before late 2022. What a great time to ...

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Unveiling ‘RandomWalker’: Your Gateway to Tidyverse-Compatible Random Walks

September 15, 2024 | Steven P. Sanderson II, MPH

Introduction Welcome to the world of ‘RandomWalker’, an innovative R package designed to simplify the creation of various types of random walks. Developed by myself and my co-author, Antti Rask, this package is in its experimental phase but pro...

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Extended-support beta regression for [0, 1] responses

September 15, 2024 | Achim Zeileis

New arXiv working paper introducing extended-support beta regression models which can capture probabilities for boundary observations at 0 and/or 1. It is available in the latest R package betareg, also accompanied by a new altdoc web page. ... [Read more...]

How to Analyze Your Data Faster With R Using summarytools

September 15, 2024 | Business Science

Hey guys, welcome back to my R-tips newsletter. Getting quick insights into your data is absolutely critical to data understanding, predictive modeling, and production. But it can be challenging if you’re just getting started. Today, I’m going to show ...

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forcats::fct_lump_n() with weights “overall”

September 13, 2024 | rstats-tips.net

Sometimes I want to summarize some categories which don’t have much impact on my analysis. So the best way to do this is using some of the forcats::fct_lump*() functions. But I often struggle to find the way using the weights to order the categor... [Read more...]

Stepwise selection of variables in regression is Evil. by @ellis2013nz

September 13, 2024 | free range statistics - R

I’ve recently noticed that stepwise regression is still fairly popular, despite being well and truly frowned upon by well-informed statisticians. By stepwise regression, I mean any modelling strategy that involves adding or subtracting variables from a...

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How to Use the duplicated Function in Base R with Examples

September 12, 2024 | Steven P. Sanderson II, MPH

Introduction In data analysis, one of the common tasks is identifying and handling duplicate entries in datasets. Duplicates can arise from various stages of data collection and processing, and failing to address them can lead to skewed results...

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Express to Impress: Leveraging IBCS Standards for Powerful Data Presentations

September 12, 2024 | Numbers around us

Attention: Article looks long at word count, but remember that contains pretty long chunks of code.Disclaimer:While my work in this series draws inspiration from the IBCS® standards, I am not a certified IBCS® analyst or consultant. The visualizations and interpretations presented here are my personal attempts to apply ...

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Empowering Data Science: How R is Transforming Research in Cameroon

September 12, 2024 | R Consortium

NyAvo RATOVO-ANDRIANARISOA, the co-founder of the R Community Cameroon, recently spoke with the R Consortium about the rapid growth of the R community in Cameroon and the impact of R... The post Empowering Data Science: How R is Transforming Research in Cameroon appeared first on R Consortium.

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How to Print Tables in R with Examples Using table()

September 11, 2024 | Steven P. Sanderson II, MPH

Introduction Tables are an essential part of data analysis, serving as a powerful tool to summarize and interpret data. In R, the table() function is a versatile tool for creating frequency and contingency tables. This guide will walk you throu...

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Labels For Technical Writing Projects

September 11, 2024 | rOpenSci - open tools for open science

Over the past thirty years I have written five technical books, co-written three others, and edited a further six. Since 2007 they have all lived in GitHub repositories, as did the first versions of the Software Carpentry lessons that I helped to writ... [Read more...]

Probabilistic Network Inference and Analysis in R and Python workshop

September 11, 2024 | Dariia Mykhailyshyna

Join our workshop on Probabilistic Network Inference and Analysis in R and Python, which is a part of our workshops for Ukraine series! Here’s some more info: Title: Probabilistic Network Inference and Analysis in R and Python Date: Thursday, October 3rd, 18:00 – 20:00 CEST (Rome, Berlin, Paris timezone) Speaker: Guillermo de ... [Read more...]

Create a free Llama 3.1 405B-powered chatbot on any GitHub repo in 1 minute (cross-posted from Paired Ends)

September 11, 2024 | Stephen Turner

This blog has moved. This is reposted from Paired Ends:https://blog.stephenturner.us/p/create-a-free-llama-405b-llm-chatbot-github-repo-huggingfaceLlama 3.1 405B is the first open-source LLM on par with frontier models GPT-4o and Claude 3.5 Sonnet...

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How to Use lapply() Function with Multiple Arguments in R

September 10, 2024 | Steven P. Sanderson II, MPH

Introduction R is a powerful programming language primarily used for statistical computing and data analysis. Among its many features, the lapply() function stands out as a versatile tool for simplifying code and reducing redundancy. Whether yo...

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Thank You, Joseph Rickert: A Legacy of Leadership and Innovation in the R Community

September 10, 2024 | R Consortium

As we announce the end of Joseph (Joe) Rickert’s tenure as the Executive Director of the R Consortium, we reflect on his remarkable contributions that have significantly contributed to the... The post Thank You, Joseph Rickert: A Legacy of Leadership and Innovation in the R Community appeared first on ... [Read more...]

Introduction to Interpretable Machine Learning in R

September 10, 2024 | Dariia Mykhailyshyna

Join our workshop on Introduction to Interpretable Machine Learning in R, which is a part of our workshops for Ukraine series! Here’s some more info: Title: Introduction to Interpretable Machine Learning in R Date: Thursday, October 10th, 18:00 – 20:00 CEST (Rome, Berlin, Paris timezone) Speaker: Andreas Hofheinz, Andreas is a Data ... [Read more...]

PowerQuery Puzzle solved with R

September 10, 2024 | Numbers around us

#215–216PuzzlesAuthor: ExcelBIAll files (xlsx with puzzle and R with solution) for each and every puzzle are available on my Github. Enjoy.Puzzle #215Today we have to do something that I really don’t like to do: constructing tables with esthetical stru...

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How to Exclude Specific Matches in Base R Using grep() and grepl()

September 9, 2024 | Steven P. Sanderson II, MPH

Introduction To exclude specific matches using the grep() function in Base R, you can use the grepl() function in combination with the ! (NOT) operator. This approach allows you to filter out elements that match a particular pattern. Here’s a d...

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Capturing Screenshots Programmatically With R

September 9, 2024 | rOpenSci - open tools for open science

As part of our work documenting R-Universe, we’re adding screenshots of the interface to the documentation website. Taking screenshots manually could quickly become very cumbersome, especially as we expect they’ll need updating in future: ... [Read more...]

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