Intro to FFTree Exercise

May 22, 2018
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Intro to FFTree Exercise

In the exercises below, we will work with FFTree pacakge which lets us use fast and frugal decision tree to model the data Please install the package and load the library before starting Answers to these exercises are available here. If you obtained a different (correct) answer than those listed on the solutions page, please Related exercise sets:Spatial Data...

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PubMed retractions report has moved

May 22, 2018
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A brief message for anyone who uses my PubMed retractions report. It’s no longer available at RPubs; instead, you will find it here at Github. Github pages hosting is...

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Why you should regret not going to eRum 2018?

Why you should regret not going to eRum 2018?

I spent 3 amazing days at eRum conference in Budapest. The conference was a blast and organizers (BIG thanks to them again) did wonderful job compiling such a high-level...

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Finalfit, knitr and R Markdown for quick results

May 22, 2018
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Finalfit, knitr and R Markdown for quick results

Thank you for the many requests to provide some extra info on how best to get finalfit results out of RStudio, and particularly into Microsoft Word. Here is how....

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The use of R in official statistics conference 2018

May 22, 2018
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The use of R in official statistics conference 2018

On September 12-14 the 6th international conference on the use of R in official statistics (#uRos2018) will take place at the Dutch National Statistical Office in Den Haag, the...

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The myth that AI or Cognitive Analytics will replace data scientists: There is no easy button

May 22, 2018
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The myth that AI or Cognitive Analytics will replace data scientists: There is no easy button

First, let me say I would love to have an “easy button” for predictive analytics. Unfortunately, predictive analytics is hard work that requires deep subject matter expertise in both...

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How Has Taylor Swift’s Word Choice Changed Over Time?

May 22, 2018
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How Has Taylor Swift’s Word Choice Changed Over Time?

How Has Taylor Swift's Word Choice Changed Over Time?Sunday night was a big night for Taylor Swift - not only was she nominated for multiple Billboard Music Awards;...

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Why R? 2018 Conf – CfP ends May 25th

May 22, 2018
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Why R? 2018 Conf – CfP ends May 25th

We are pleased to announance upcoming Why R? 2018 conference that is going to happen in central-eastern Europe (Poland, Wroclaw) this July (2-5th). It is the last week...

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A perfect RStudio layout

May 21, 2018
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A perfect RStudio layout

Tiny things can separate life into “before” and “after”. Here is one. For almost a year I’ve been daily sending mental “thank you” to Ugo (@ugobas) who showed me...

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July 5th & 6th in Münster: Workshop on Deep Learning with Keras and TensorFlow in R

May 21, 2018
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July 5th & 6th in Münster: Workshop on Deep Learning with Keras and TensorFlow in R

Registration is now open for my 1.5-day workshop on deep learning with Keras and TensorFlow using R. It will take place on July 5th & 6th in Münster, Germany. You can...

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Competition: WhyR 2018

Competition: WhyR 2018

The competition It’s competition time! We’re sponsoring Why R? 2018 Conference. The conference runs from the 2-5th of July in Wroclaw, Poland and us nice folks here at Jumping Rivers...

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Video: speeding up R with parallel programming in the cloud

May 21, 2018
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I had a great time in Budapest last week for the eRum 2018 conference. The organizers have already made all of the videos available online. Here's my presentation: Speeding...

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eRum 2018 highlights

May 21, 2018
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eRum 2018 highlights

Aimée Gott, Education Practice Lead I always find it difficult to pick highlights from a conference and the eRum 2018 team did a fantastic job of making it difficult for...

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Edward Tufte’s Slopegraphs and political fortunes in Ontario

May 21, 2018
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Edward Tufte’s Slopegraphs and political fortunes in Ontario

With fewer than three weeks left in the June 7 provincial elections in Ontario, Canada’s most populous province with 14.2 million persons, the expected outcome is far from certain.The...

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USL Scalability Modeling with Three Parameters

May 20, 2018
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USL Scalability Modeling with Three Parameters

NOTE: Annoyingly, the remote mathjax server often takes it's sweet time rendering LaTex equations (like, up to a minute or more!!!). I don't know if this is deliberate on...

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ML models: What they can’t learn?

May 20, 2018
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ML models: What they can’t learn?

What I love in conferences are the people, that come after your talk and say: It would be cool to add XYZ to your package/method/theorem. After the eRum (great...

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Rcpp 0.12.17: More small updates

Another bi-monthly update and the seventeenth release in the 0.12.* series of Rcpp landed on CRAN late on Friday following nine (!!) days in gestation in the incoming/...

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Statistics Sunday: Welcome to Sentiment Analysis with “Hotel California”

May 20, 2018
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Statistics Sunday: Welcome to Sentiment Analysis with “Hotel California”

Welcome to the Hotel CaliforniaAs promised in last week's post, this week: sentiment analysis, also with song lyrics.Sentiment analysis is a method of natural language processing that involves...

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Beautiful and Powerful Correlation Tables in R

May 19, 2018
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Beautiful and Powerful Correlation Tables in R

Another correlation function?! A table A Plot A print Options Fun with p-hacking Credits Another correlation function?! Yes, the correlation function from the psycho package. devtools::install_github("neuropsychology/psycho.R")...

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R/exams @ eRum 2018

May 19, 2018
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R/exams @ eRum 2018

Keynote lecture about R/exams at eRum 2018 (European R Users Meeting) in Budapest: Slides, video, e-learning, replication materials. ...

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RcppGSL 0.3.5

A maintenance update of RcppGSL just brought version 0.3.5 to CRAN, a mere twelve days after the RcppGSL 0.3.4. release. Just like yesterday's upload of inline 0.3.15 it...

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openrouteservice – geodata!

May 19, 2018
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openrouteservice – geodata!

The openrouteservice provides a new method to get geodata into R. It has an API (or a set of them) and an R package has been written to communicate...

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Create Code Metrics with cloc

May 19, 2018
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Create Code Metrics with cloc

The cloc Perl script (yes, Perl!) by Al Danial (https://github.com/AlDanial/cloc) has been one of the go-to tools for generating code metrics. Given a single file, directory tree, archive, or...

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An East-West less divided?

May 19, 2018
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An East-West less divided?

With tensions heightened recently at the United Nations, one might wonder whether we’ve drawn closer, or farther apart, over the decades since the UN was established in 1945. We'll...

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Do Clustering by “Dimensional Collapse”

May 19, 2018
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Do Clustering by “Dimensional Collapse”

Problem Image that someone in a bank want to find out whether some of bank’s credit card holders are acctually the same person, so according to his experience, he...

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Decision Modelling in R Workshop in The Netherlands!

May 19, 2018
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The Decision Analysis in R for Technologies in Health (DARTH) workgroup is hosting a two-day workshop on decision analysis in R in Leiden, The Netherlands from June 7-8, 2018....

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wrapr 1.4.1 now up on CRAN

May 18, 2018
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wrapr 1.4.1 now up on CRAN

wrapr 1.4.1 is now available on CRAN. wrapr is a really neat R package both organizing, meta-programming, and debugging R code. This update generalizes the dot-pipe feature’s dot S3...

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inline 0.3.15

inline 0.3.15

A maintenance release of the inline package arrived on CRAN today. inline facilitates writing code in-line in simple string expressions or short files. The package is mature and...

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My eRum 2018 biggest highlights

May 18, 2018
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My eRum 2018 biggest highlights

On the range of dates 14.-16. May 2018, the European R users meeting (eRum) was held in Budapest. I was there as an active participant since I had the...

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