May 2021

New features in R 4.1.0

May 17, 2021 | The Jumping Rivers Blog

R-4.1.0 is released! Rejoice! A new R release (v 4.1.0) is due on 18th May 2021. Typically most major R releases don’t contain that many new features, but this release does contain some interesting and important changes. This post summarises some of the notable changes introduced. More detail on the changes ...
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Brazil’s R Community is Vibrant and Active

May 17, 2021 | R Consortium

R Consortium’s R User Group and Small Conference Support Program (RUGS) provides grants to help R groups around the world organize, share information and support each other. The wealth of... The post Brazil’s R Community is Vibrant and Active appeared first on R Consortium.
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R rexp()

May 17, 2021 | xi'an

Following a question on X validated about the reasons for coding rexp() following Ahrens & Dieter (1972) version, I re-read Luc Devroye’s explanations. Which boils down to an optimised implementation of von Neumann’s Exponential generator. The central result is that, for any μ__0, M a Geometric variate with failure probability exp(... [Read more...]

Convincing myself about the Monty Hall problem

May 17, 2021 | mrtnj

Like many others, I’ve never felt that the solution to the Monty Hall problem was intuitive, despite the fact that explanations of the correct solution are everywhere. I am not alone. Famously, columnist Marilyn vos Savant got droves of mail from people trying to school her after she had ...
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blocklength 0.1.4

May 16, 2021 | R | Alec Stashevsky

I’m excited to announce that blocklength 0.1.4 is now available on CRAN! blocklength is designed to be used with block-bootstrap procedures and makes it quick and easy to select a block-length quantitatively. Install it with: install.packages("b... [Read more...]

unbalanced sampling

May 16, 2021 | xi'an

A question from X validated on sampling from an unknown density f when given both a sample from the density f restricted to a (known) interval A , f¹ say, and a sample from f restricted to the complement of A, f² say. Or at least on producing an estimate of ...
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Sentiment analysis in R

May 16, 2021 | finnstats

Sentiment analysis in R, In this article, we will discuss sentiment analysis using R. We will make use of the syuzhet text package to... The post Sentiment analysis in R appeared first on finnstats.
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Memorable quotes from Advancing into Analytics

May 15, 2021 | George Mount

As a data educator, I’ve helped plenty of self-styled math- and technophobes find out that data and analytics is for them, and it’s fun. These learners are often pretty surprised by how approachable and humorous many analytics professionals are. I mean, not all of us are out of ...
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Water well outflow rate

May 15, 2021 | Roman Luštrik

The house I live in has been built around 1939 and is accompanied by a water well that is about 6 m deep. This was dug out by hand, 0.5 m a day, added scaffolding, added concrete and so on for a few weeks. I think, but see the below figure where on ...
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Accessing PIWIK PRO from R

May 14, 2021 | rstats-tips.net

The main tool for tracking the action on a website is Google Analytics. But more and more websites switch to other tools such as Matomo or PIWIK PRO due to GDPR. My employer decided to switch to PIWIK PRO, too. So I was looking for a way to access the ... [Read more...]

IFRS credit risk reporting (Updated)

May 14, 2021 | R | Asitav Sen

IFRSassistant is being built to provide convenience to Finance and Accounting consultants and SMEs in finance industry. IFRS reporting, especially estimated loss calculation is a fairly complicated process involving Monte Carlo simulation, forecasting,... [Read more...]

IFRS credit risk reporting

May 14, 2021 | R | Asitav Sen

IFRSassistant is being built to provide convenience to Finance and Accounting consultants and SMEs in finance industry. IFRS reporting, especially estimated loss calculation is a fairly complicated process involving Monte Carlo simulation, forecasting,... [Read more...]
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