Meta Machine Learning aggregator packages in R, The 2nd generation

December 14, 2019
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Meta Machine Learning aggregator packages in R, The 2nd generation

TL;DR mlr was refactored into mlr3. caret was refactored into tidymodels. What are the main differences in terms of software design, and tweaking it for your own needs. R6 vs S3. Which one is less fraigle? Motivation My previous post from mi...

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R 3.6.2 is out, and a preview of R 4.0.0

December 13, 2019
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R 3.6.2 is out, and a preview of R 4.0.0

R 3.6.2, the latest update to the R language, is now available for download on Windows, Mac and Linux. As a minor release, R 3.6.2 makes only small improvements...

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Confidence and prediction intervals explained… (with a Shiny app!)

December 13, 2019
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Confidence and prediction intervals explained… (with a Shiny app!)

This semester I started teaching introduction to statistics and data analysis with R, at Tel-Aviv university. I put in a lot of efforts into bringing practical challenges, examples from real...

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front-line house democrats: a quick guide

December 12, 2019
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front-line house democrats: a quick guide

House & presidential election returns Trump margins in 2016 Flipped House Districts from 2016 to 2018 The 31 House Democrats in Trump-supportive districts A quick geographical perspective The 13 House Democrats in solid Trump...

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An accidental side effect of text mining

December 12, 2019
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An accidental side effect of text mining

Reprinted from https://towardsdatascience.com/an-accidental-side-effect-of-text-mining-4b43f8ee1273 As I read on my kindle I highlight the passages that I like so that I can re-read them later. These annotations are stored on my Kindle...

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A Collection of Benchmarks in R

December 12, 2019
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A Collection of Benchmarks in R

Benchmarking your code is one thing – another thing is to keep and use the gained knowledge for future projects. In this blog, Jakob presents his collection of benchmarks...

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Looking back at 2019 and plans for 2020

December 11, 2019
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Looking back at 2019 and plans for 2020

I’m just about to leave for my vacation and, as usual, I’ll write about the highlights of 2019 and my plans for the year to come. First, let’s talk...

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Internal functions in R packages

December 11, 2019
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An R package can be viewed as a set of functions, of which only a part are exposed to the user. In this blog post we shall concentrate of...

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sampling the mean

December 11, 2019
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sampling the mean

A challenge found on the board of the coffee room at CEREMADE, Université Paris Dauphine: When sampling with replacement three numbers in {0,1,…,N}, what is the probability that their...

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Gold-Mining Week 15 (2019)

December 11, 2019
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Week 15 Gold Mining and Fantasy Football Projection Roundup now available. The post Gold-Mining Week 15 (2019) appeared first on Fantasy Football Analytics.

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NIMBLE short course, June 3-4, 2020 at UC Berkeley

December 11, 2019
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NIMBLE short course, June 3-4, 2020 at UC Berkeley

We’ll be holding a two-day training workshop on NIMBLE, June 3-4, 2020 in Berkeley, California. NIMBLE is a system for building and sharing analysis methods for statistical models, especially...

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Key R Operators

December 11, 2019
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Operators you should make more use of in R Only recently have I discovered the true power of some the operators in R. Here are some tips on some...

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IPO Portfolios and a Benchmark

December 10, 2019
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IPO Portfolios and a Benchmark

In two previous posts, we explored IPOs and IPO returns by sector and year since 2004 and then examined the returns of portfolios constructed by investing in IPOs each...

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HTTP testing in R: overview of tools and new features

Testing is a crucial component to any software package. Testing makes sure that your code does what you expect it to do; and importantly, makes it safer to make changes moving...

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Shiny splash screen using modules and shinyjs

December 10, 2019
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A while ago I was researching on creating a splash screen for a Shiny application. My gut feel was that there will readily be a package available for this...

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TSstudio 0.1.5 on CRAN

December 10, 2019
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A new version (0.1.5) of the TSstudio package was pushed to CRAN last month. The release includes new functions as well as bug fixing, and update of the package...

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a journey from basic prototype to production-ready Shiny dashboard

December 10, 2019
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a journey from basic prototype to production-ready Shiny dashboard

# Abstract As web dashboards have become the norm for interacting with data, looks and added functionality have taken a more prominent role. Dashboard users expect the typical look...

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Analyzing Relational Contracts with R: Part I

December 10, 2019
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Analyzing Relational Contracts with R: Part I

One goal of game theory is to understand how effective cooperation can be sustained in relationships. You may have heard of Axelrod’s famous tournaments that studied how effective different...

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The Elements of Variance

December 10, 2019
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Partial Moments Equivalences Below are some basic equivalences demonstrating partial moments’ role as the elements of variance. Why is this relevant? The additional information generated from partial moments permits...

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workshop (Presidency University): Politics with big data social science analysis with R

December 10, 2019
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 Politics with a big data: data analysis in social research using R       20 -22 December 2019 Presidency University Department of Political Science, Presidency University In association with Association SNAP...

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Predicting and visualizing user-defined data point with K-Nearest Neighbors

December 10, 2019
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Predicting and visualizing user-defined data point with K-Nearest Neighbors

K-nearest neighbors is easy to understand supervised learning method which is often used to solve classification problems.  The algorithm assumes that similar objects are closer to each other. To...

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Running different versions of R in the RStudio IDE is, on occasion, required to load older packages.

December 10, 2019
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This is a re-post by the author from: https://www.bsetmet.com/index.php/2019/05/26/gist-rstudio-vsersions-ubuntu/ I got fed up with the manual process, so I started to automate the entire process Ubuntu in a bash...

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Why I don’t use the Tidyverse

December 10, 2019
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Why I don’t use the Tidyverse

There seems to be some revolution going on in the R sphere… people seem to be jumping at what is commonly known as the tidyverse, a collection of packages...

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RcppClassic 0.9.12

December 9, 2019
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A maintenance release 0.9.12 of the RcppClassic package arrived earlier today on CRAN. This package provides a maintained version of the otherwise deprecated initial Rcpp API which no...

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A Comparative Review of the R AnalyticFlow GUI for R

December 9, 2019
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A Comparative Review of the R AnalyticFlow GUI for R

Introduction R AnalyticFlow (RAF) is a free and open source graphical user interface (GUI) for the R language that focuses on beginners looking to point-and-click their way through analyses. ...

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About URLs in DESCRIPTION

December 9, 2019
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Among DESCRIPTION usual fields is the free-text URL field where package authors can store various links: to the development website, docs, upstream tool, etc. In this post, we shall...

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Repeated measures can improve estimation when we only care about a single endpoint

December 9, 2019
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Repeated measures can improve estimation when we only care about a single endpoint

I’ve been participating in the design of a new study that will evaluate interventions aimed at reducing both pain and opioid use for patients on dialysis. This study is...

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Reproduce economic indicators from ‘The Economist’

December 9, 2019
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Economic data (% change on year ago) Gross domestic product Industrial production Consumer prices Unemployment rate, % latest quarter* ...

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5 Data Science Technologies for 2020 (and Beyond)

December 9, 2019
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5 Data Science Technologies for 2020 (and Beyond)

Moving into 2020, three things are clear - Organizations want Data Science, Cloud, and Apps. Here are the Top 5 essential skills for Data Scientists that need to build...

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