R-bloggers - Part 2

Fast remote parquet

September 14, 2023 | Michael

Parquet – CC BY-SA by tetue Querying a remote parquet file via HTTP with DuckDB. The french statistical service (INSEE) has made available its first parquet file on data.gouv.fr in June. It’s a 470 MB file (from a 1.8 GB CSV) with ...

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Exploring Machine Learning-Derived Data in Life Sciences with Shiny Applications

September 14, 2023 | Ismael Rodriguez

Machine learning (ML) is gaining widespread popularity in the life sciences. Crafting intuitive user interfaces speeds up data exploration and offers modernized ways to present analyses and outcomes from various ML models. For quite some time, R Shiny has been the go-to choice for researchers looking to create top-notch visualizations, ...

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How to Create a Histogram with Different Colors in R

September 13, 2023 | Steven P. Sanderson II, MPH

Introduction Histograms are a fantastic way to visualize the distribution of data. They provide insights into the underlying patterns and help us understand our data better. But what if you want to add some color to your histograms to make them ...

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The pretty Klein j-invariant function

September 13, 2023 | Stéphane Laurent

Here are four representations of the Klein j-invariant function: The Klein j-invariant function is a complex function defined on the upper half-plane of the complex nu... [Read more...]

Utilizing R for Reproducible Open Science Research in Tucson, Arizona

September 13, 2023 | R Consortium

The R-Consortium recently talked to Adriana Picoral of the R-Ladies Tucson about the diverse R community in Tucson, Arizona. Adriana founded the R-Ladies chapter in 2018 and has been actively... The post Utilizing R for Reproducible Open Science Research in Tucson, Arizona appeared first on R Consortium.

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State of Shiny 2023 – Download Report

September 13, 2023 | Appsilon

Introducing the State of Shiny 2023 report – your comprehensive guide to the latest trends and insights in the dynamic world of Shiny. This report sheds light on the ever-evolving landscape of Shiny, a popular web application framework for R programming and Python languages, by uncovering the practices and challenges faced by ...

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Appsilon’s Top 10 Sessions to Check Out at posit::conf 2023

September 13, 2023 | Joanna Moćko-Łazarewicz

Appsilon’s Top 10 Picks for the Upcoming posit::conf 2023 The posit::conf 2023 event is on the horizon, and the Appsilon team is brimming with excitement as they unveil their selection of the most anticipated sessions. CEO Filip Stachura, President Damian Rodziewicz, and COO Paweł Przytuła have thoughtfully curated a ...

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How to Plot Multiple Plots on the Same Graph in R

September 12, 2023 | Steven P. Sanderson II, MPH

Introduction Data visualization is a crucial aspect of data analysis. In R, the flexibility and power of its plotting capabilities allow you to create compelling visualizations. One common scenario is the need to display multiple plots on the sa...

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Map any region in the world with R – Part IV: Object Oriented Programming in R with S3

September 12, 2023 | R with White Dwarf

You can find all the posts on this series under the tag maps-app (including the Spanish versions). You can also find the current state of the project under my GitHub repo mapic. Scope of this post We are creating maps of data showing changes over a spa...

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R User Group Philippines Turns 10

September 12, 2023 | R Consortium

The R User Group-Philippines (RUG–PH) celebrated its 10th anniversary on the 16th of August. The group marked the occasion with its first physical event since the pandemic, and it highlighted... The post R User Group Philippines Turns 10 appeared first on R Consortium.

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How Open Source (R and Shiny) Is Transforming Processes in the Pharmaceutical Industry

September 12, 2023 | André Veríssimo

At the 2023 R/Basel event, we noticed a number of speakers and participants who were keen to share or gather knowledge about the use of R and Shiny technologies in many diverse processes of the pharmaceutical industry. From ShinyConf to event’s like useR!’s R/Basel, professionals in the ...

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Exploring the Third Dimension with R: A Guide to the persp() Function

September 11, 2023 | Steven P. Sanderson II, MPH

Introduction If you’re an R enthusiast looking to take your data visualization to the next level, you’re in for a treat. In this blog post, we’re going to dive into the world of 3D plotting using R’s powerful persp() function. Whether you’re vis...

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Preprocessing and analyzing web tracking data with webtrackR

September 11, 2023 | schochastics

Researchers have relied on free/easy access to APIs from social media platforms for a very long time. But in the recent past, many prominent platforms revoked the free access to their API and made accessing the data almost unaffordable for regular r... [Read more...]

First Publicly Available R-Based Submission Package Submitted to FDA (Pilot 3)

September 11, 2023 | R Consortium

The R Consortium is pleased to announce that on August 28, 2023, the R Submissions Working Group successfully submitted an R-based test submission pilot 3 package through the FDA eCTD... The post First Publicly Available R-Based Submission Package Submitted to FDA (Pilot 3) appeared first on R Consortium.

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Plotting SVM Decision Boundaries with e1071 in R

September 10, 2023 | Steven P. Sanderson II, MPH

Introduction Support Vector Machines (SVM) are a powerful tool in the world of machine learning and classification. They excel in finding the optimal decision boundary between different classes of data. However, understanding and visualizing the...

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Enneper surface with rotating checkerboard

September 10, 2023 | Stéphane Laurent

The github branch of my Github repository cgalMeshes has a vignette explaining how to use parameterizations of surface meshes. A parameterization allows to map a texture on a mesh. Some of them ar... [Read more...]

Project Euler 7: 10,001st Prime Number

September 9, 2023 | Peter Prevos

Project Euler 7 delves into the wonderful world of prime numbers. These numbers are interesting because they don't follow a predictable pattern. There is no algorithm to calculate primes, which is what makes them valuable in cryptography. As the numbers get larger, the gaps between consecutive primes also increase. There are, ...

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Cracking the Code: Unveiling the Hidden Language of USB HID Keyboards!

September 9, 2023 | r on Everyday Is A School Day

Sending key presses to another device using software that emulates a keyboard, but isn’t a physical keyboard, is a fascinating concept. We understand that in the Linux/Unix environment and with Python, this can be accomplished through low-level programming. But can the R programming language achieve the same feat? ...

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Roulette-wheel selection for dqrng (part 2)

September 9, 2023 | R on Ralf Stubner

I have blogged about weighted sampling before. There I found that the stochastic acceptance method suggested by Lipowski and Lipowska (2012) (also at https://arxiv.org/abs/1109.3627) is very promising: // [[Rcpp::depends(dqrng,BH,sitmo)]] #include &...

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R-posts.com 2023-09-09 04:02:52

September 9, 2023 | Dariia Mykhailyshyna

Join our workshop on Introduction to Qualitative Comparative Analysis (QCA) using R, which is a part of our workshops for Ukraine series! Here’s some more info: Title: Introduction to Qualitative Comparative Analysis (QCA) using R Date: Thursday, October 5th, 18:00 – 20:00 CEST (Rome, Berlin, Paris timezone) Speaker: Ingo Rohlfing, Ingo Rohlfing ... [Read more...]

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