R-bloggers - Part 19

The Vibe of Flanders: Part 2

October 7, 2024 | Method Matters

This blog post is the second installment in a series detailing analyses of the 2023 De Gemeente-Stadsmonitor (The Municipality and City Monitor) survey, conducted in the region of Flanders in Belgium. You can check out the first post here. In the previous post, we used Principal Components Analysis and data visualization ...

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How to Combine Two Columns into One in R With Examples in Base R and tidyr

October 7, 2024 | Steven P. Sanderson II, MPH

Introduction As a beginner R programmer, you’ll often encounter situations where you need to manipulate data frames by combining columns. This article will guide you through the process of combining two columns into one in R, using both base R ...

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Can ChatGPT help construct non-trivial statistical models? An example with Bayesian “random” splines

October 7, 2024 | Keith Goldfeld

I’ve been curious to see how helpful ChatGPT can be for implementing relatively complicated models in R. About two years ago, I described a model for estimating a treatment effect in a cluster-randomized stepped wedge trial. We used a generalized ad...

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R Solution for Excel Puzzles

October 7, 2024 | Numbers around us

Puzzles no. 554–558PuzzlesAuthor: ExcelBIAll files (xlsx with puzzle and R with solution) for each and every puzzle are available on my Github. Enjoy.Puzzle #554Another interesting number called after Indian mathematician. We need to find first 50 Kapr...

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Standardising R Projects with the ProjectTemplate package workshop

October 7, 2024 | Dariia Mykhailyshyna

Join our workshop on Standardising R Projects with the ProjectTemplate package, which is a part of our workshops for Ukraine series! Here’s some more info: Title: Standardising R Projects with the ProjectTemplate package Date: Thursday, November 7th, 14:00 – 16:00 CET (Rome, Berlin, Paris timezone) Speaker: Michael Rasmussen is a data analyst ... [Read more...]

Exploratory Data Analysis: Will PCE Data Push Bitcoin?

October 7, 2024 | Selcuk Disci

Could the latest PCE data catalyze Bitcoin to surge beyond major resistance and reach $70K? The last time that US PCE Price Index values were under the estimates (miss), BTC prices rocketed. Source code:

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How to Combine Rows with Same Column Values in R

October 6, 2024 | Steven P. Sanderson II, MPH

Introduction Combining rows with the same column values is a fundamental task in data analysis and manipulation, especially when handling large datasets. This guide is tailored for beginner R programmers looking to efficiently merge rows using ...

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Nested unit tests with testthat

October 6, 2024 | R some blog

The testthat package is the most widely used tool for unit testing in R. However, many users may not be aware of the possibility to nest test blocks within each other. In this post, I demonstrate how this underused feature provides a great way to struc... [Read more...]

oaqc: Orbit aware quad census package back on CRAN

October 6, 2024 | David Schoch

This is just a short announcement post that the R package oaqc is back on CRAN. The package provides an efficient algorithm to calculate for a given graph the orbit-aware quad census. More precisely the frequency distribution of all induced and ... [Read more...]

Handling Large Investment Datasets with R: A Powerful Solution to Data Management Challenges

October 6, 2024 | Murtaza Haider

Dealing with large datasets—where observations run into the millions and file sizes reach gigabytes or more—can be daunting for many data practitioners. However, there is no shortage of specialized tools, many of which are open source, that offer effic...

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Dudeney’s Remainder Problem

October 6, 2024 | John Mount

The remainder problem The description of this puzzle really cracks me up (Dudeney, Strand Magazine, January 1924). Health risks aside, how do we find the maximal integer d such that (480608 % d) = (508811 % d) = (723217 % d)? The solution A good puzzle strategy is to try […]

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Gradient-Boosting anything (alert: high performance)

October 5, 2024 | T. Moudiki

Gradient boosting with any regression algorithm in Python package mlsauce

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Second edition of Geocomputation with R is complete

October 5, 2024 | Jakub Nowosad, Robin Lovelace, Jannes Muenchow

We are excited to announce that the second edition of Geocomputation with R is (almost) complete. It took us about three years to update and improve the book. This blog post summarizes the process and lists things we added and changed. It also me...

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Is round(0.5) 0 or 1?

October 5, 2024 | jhk0530

Actually, it’s both possible This Article was originally published before on YOZM-IT as Korean Various way of data science There are many programming languages in the world and software that utilizes them. And those play an important role in “Data science”. For example, if you’re using funnel analysis ...

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Getting started with SQL with R

October 4, 2024 | Albert Rapp

In today’s blog post, I’m showing you how to work with databases from within R. As always, you can find the video version of this blog post on YouTube: Establish a connection Let us start by setting up a database connection. library(odbc) lib... [Read more...]

An Easy Puzzle: The Perplexed Banker

October 4, 2024 | John Mount

Nina Zumel continues with the puzzles. This one is “The Perplexed Banker”. In my opinion, this one captures the essence of the “mathematical” aspect of a puzzle. For a mathematical puzzle one often hopes there is a systematic method that makes the puzzle easy. In this case there is indeed […] [Read more...]

Expectations, Verified! Dive into the World of Unit Tests with expect_*()

October 4, 2024 | Yohann Mansiaux

You can read the original post in its original format on Rtask website by ThinkR here: Expectations, Verified! Dive into the World of Unit Tests with expect_*() Unit tests are essential in the development of an R package. They ensure that your functions work as expected while protecting you from ... [Read more...]

Working With Linux Commands: A Beginner’s Guide to Essential Tools

October 3, 2024 | Steven P. Sanderson II, MPH

Introduction Linux, known for its powerful command-line interface, offers a vast array of tools that can significantly enhance your productivity. For beginners, navigating this landscape can be daunting, but mastering a few essential commands c...

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Top 10 R Packages for Exploratory Data Analysis (EDA) (Bookmark this!)

October 3, 2024 | Business Science

Hey guys, welcome back to my R-tips newsletter. Today, I’m excited to share with you the Top 10 R Packages for Exploratory Data Analysis (EDA). These packages will help you streamline your data analysis workflow and gain deeper insights into your datas...

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Choosing the Right Chart: A Personal Guide to Better Data Visualization

October 3, 2024 | Numbers around us

Why Choosing the Right Visualization MattersI’ve been visualizing data for quite a few years now, and if there’s one thing I’ve learned, it’s that choosing the right chart can make or break your message. I’ve spent countless hours reading, learning, an...

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