R-bloggers

In the US we think of Minneapolis and St. Paul as the Twin Cities, but Ben Olin, author of Math with Bad Drawings, https://mathwithbaddrawings.com/, posed this data science question: Which U.S. cities are the true twin cities? He imposed three c...

#143–144PuzzlesAuthor: ExcelBIFrom this week all files (xlsx with puzzle and R with solution) for each and every puzzle are available on my Github. Enjoy.Suprisingly this week we have no time-related puzzles, they are rather transformations of tables.Puzzle #143In this puzzle we have some kind of log. Employees are ...

The R Consortium recently reached out to Abbie Brookes, Senior Analyst and AI Consultant at Datacove, co-founder and organizer of the Manchester R User Group. During the conversation, Abbie discussed... The post How Inclusivity, Women in STEM, and Trips to the Pub Together Enrich the Manchester R User Group in ...

Puzzles no. 354–358PuzzlesAuthor: ExcelBIFrom this week all files (xlsx with puzzle and R with solution) for each and every puzzle are available on my Github. Enjoy.Puzzle #354This puzzle comes up on Christmas (Dec, 25th), so it was not really suprisin...

Introduction Welcome welcome. In this blog post, we will be exploring: How to export multiple data frames into a single Excel file with multiple sheets using the writexl and openxlsx packages By the end of this post, you & I should have a solid understanding of how to export multiple data ...

Welcome 2024. This blog is just a personal hobby. When I’m extra busy as I was this year the blog is a front-line casualty. This is why 2023 saw a weaker posting stream. Nonetheless I am pleased with just over 30K visits this year, with an average of roughly one minute ...

Introduction Hey fellow R enthusiasts! Today, let’s dive into the fascinating world of Lowess smoothing and learn how to harness its power for creating smooth visualizations of your data. Whether you’re new to R or a seasoned pro, this step-by-s...

In my December 22 blog, I first introduced the classic parametric quantile regression (QR) concept. I then showed how one could use the qeML package to perform quantile regression nonparametrically, using the package’s qeKNN function for a k-Nearest Neighbors approach. A reader then asked if this could be applied to ...

prediction intervals for miles per gallon (mpg) car consumption using conformalized Kernel ridge regression and random forest.

Figure 1: images/tradeornottrade.jpg It took me long time to muster the motivation to write this post. I greedily dreamed of putting something together that would unveil the secret to crypto trading while amassing a ...

OK, I’m sorry for the clickbait title. But I really do think a lot of the insights in this guide are trivial and very easy to understand yet surprisingly unknown to many people.1  In this guide we will discuss how to lose weight or solve (almost) any other kind ...

In previous years, when it gets to the end of the year, I’ve written blog posts about reflecting on a year of #TidyTuesday data visualisations, or making your own #RStats Wrapped in the style of SpotifyWrapped. This year, I wanted to reflect on...

In the realm of business and leadership, one statistical phenomenon often goes unrecognized yet significantly influences our understanding of performance and success. This is the concept of reversion to the mean. This seemingly simple statistical occurrence can profoundly impact how we perceive management strategies, leadership effectiveness, and even the fate ...