Evenly Spaced Month Charts

April 27, 2024 | R on jmarriott.com

I recently noticed that ggplot2 spaces date axes literally even when grouped by month. I’ve been using ggplot2 extensively for years and I don’t remember noticing before, so this is not really a big deal, but now that I know it bugs me a lot. Take a...
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Office365 AddIns for R (Part III)

April 26, 2024 | Adam Gladstone

A while back, I introduced the __ExcelRAddIn__ ([Office365 AddIns for R (Part I)](https://adam-gladstone.github.io/r-project/Office365AddIns-for-R-part-I/)). This is an Office365 AddIn that allows you to evaluate an R-script from within Excel and use the results. This blog-post describes some of the recent updates to the ExcelRAddIn.
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What’s new in R 4.4.0?

April 25, 2024 | The Jumping Rivers Blog

R 4.4.0 (“Puppy Cup”) was released on the 24th April 2024 and it is a beauty. In time-honoured tradition, here we summarise some of the changes that caught our eyes. R 4.4.0 introduces some cool features (one of which is experimental) and makes one of our favourite {rlang} operators available in base R. ...
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Grammar as a biometric for Authorship Verification

April 23, 2024 | Valerio Gherardi

About a month ago we finally managed to drop (Nini et al. 2024), “Authorship Verification based on the Likelihood Ratio of Grammar Models”, on the arXiv. Delving into topics such as authorship verification, grammar and forensics, was quite a detour for me, and I’d like to summarize here some of ... [Read more...]

Prehistoric: when do authors preprint their papers?

April 23, 2024 | Stephen Royle

Previously, I took advantage of a dataset that linked preprints to their published counterparts to look at the fraction of papers in a journal that are preprinted. This linkage can be used to answer other interesting questions. Such as: when do authors preprint their papers relative to submission? And does ...
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PowerQuery Puzzle solved with R

April 23, 2024 | Numbers around us

#175–176PuzzlesAuthor: ExcelBIAll files (xlsx with puzzle and R with solution) for each and every puzzle are available on my Github. Enjoy.Puzzle #175Sometimes even common tables tell the story. Today we have table of people that are family, but we nee...
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{emayili} Support for Mailtrap

April 22, 2024 | R - datawookie

The {emayili} package has adapters which make it simple to send email via a variety of services. For example, it caters specifically for ZeptoMail, MailerSend, Mailfence and Sendinblue. The latest version of {emayili}, 0.8.0 published on 23 April 2024, adds an an adapter for Mailtrap.
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R Solution for Excel Puzzles

April 22, 2024 | Numbers around us

Puzzles no. 434–438PuzzlesAuthor: ExcelBIAll files (xlsx with puzzle and R with solution) for each and every puzzle are available on my Github. Enjoy.Puzzle #434Sometimes challenges we are facing have not really much with real world problems. And no. 434 is one of them. Our task this time was to make ...
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Conducting Simulation Studies in R workshop

April 22, 2024 | Dariia Mykhailyshyna

Join our workshop on Conducting Simulation Studies in R, which is a part of our workshops for Ukraine series!  Here’s some more info:  Title: Conducting Simulation Studies in R Date: Thursday, May 23rd, 18:00 – 20:00 CEST (Rome, Berlin, Paris timezone) Speaker: Greg Faletto is a statistician and data scientist at VideoAmp, ... [Read more...]

More Monster Maze

April 21, 2024 | R on BitFoam

A lot has happening in Monster Maze for the last months and a new chapter has now opened. Wanna play? Play here Code The code is publicly available in Github: monster-maze-shiny-mob...
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joint fiddlin

April 21, 2024 | xi'an

Flip a fair coin 100 times, resulting in a sequence of heads (H) and tails (T). For each HH in the sequence, Alice gets a point; for each HT, Bob does, so e.g. for the subsequence THHHT Alice gets 2 points and Bob gets 1 point. Who is most likely to win? ...
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Backtesting

April 19, 2024 | R - datawookie

The key to successful backtesting is to ensure that you only use the data that were available at the time of the prediction. No “future” data can be included in the model training set, otherwise the model will suffer from look-ahead bias (having unrealistic access to future data).
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