May 2017

A Partial Remedy to the Reproducibility Problem

May 31, 2017 | matloff

Several years ago, John Ionnidis jolted the scientific establishment with an article titled, “Why Most Published Research Findings Are False.” He had concerns about inattention to statistical power, multiple inference issues and so on. Most people had already been aware of all this, of course, but that conversation opened the ... [Read more...]

Complete Subset Regressions, simple and powerful

May 31, 2017 | insightr

By Gabriel Vasconcelos The complete subset regressions (CSR) is a forecasting method proposed by Elliott, Gargano and Timmermann in 2013. It is as very simple but powerful technique. Suppose you have a set of variables and you want to forecast … Continue reading →
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Euler Problem 23: Non-Abundant Sums

May 31, 2017 | Peter Prevos

A solution in the R language to Euler Problem 23. Find the sum of all the positive integers which cannot be written as the sum of two abundant numbers. Continue reading → The post Euler Problem 23: Non-Abundant Sums appeared first on The Devil is in the Data.
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let there be progress

May 31, 2017 | HighlandR

The 'wrapr' package for use with dplyr programming - I’m the first to admit I’m not an R expert, (even duffers can blog about it though), but when I began thinking about writing some dplyr functions to help me create and analyse run chart...
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let there be progress

May 31, 2017 | HighlandR

The 'wrapr' package for use with dplyr programming - UPDATED POST I’m the first to admit I’m not an R expert, (even duffers can blog about it though), but when I began thinking about writing some dplyr functions to help me create and ana...
[Read more...]

let there be progress

May 31, 2017 | HighlandR

The 'wrapr'package for use with dplyr programming - UPDATED POST I’m the first to admit I’m not an R expert, (even duffers can blog about it though), but when I began thinking about writing some dplyr functions to help me create and anal... [Read more...]

Shiny: data presentation with an extra

May 31, 2017 | Pablo Bernabeu

Shiny is an application based on R/RStudio which enables an interactive exploration of data through a dashboard with drop-down lists and checkboxes—programming-free. The apps can be useful for both the data analyst and the public. Shiny apps are based on the Internet: This allows for private consultation of ...
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Watch presentations from R/Finance 2017

May 31, 2017 | David Smith

It was another great year for the R/Finance conference, held earlier this month in Chicago. This is normally a fairly private affair: with attendance capped at around 300 people every year, it's a somewhat exclusive gathering of the best and brightest minds from industry and academia in financial data analysis ... [Read more...]

VIF and multicollinearity diagnostics

May 31, 2017 | Thom

In the book I use the car package to get VIF and other multicollinearity diagnostics. I’ve occasionally found this breaks down (usually through mixing different versions of R on different machines at work home or on the move). I recently saw the mctest package and thought it would be ... [Read more...]

Bland-Altman/Tukey Mean-Difference Plots using ggplot2

May 31, 2017 | S. Richter-Walsh

A very useful data visualisation tool in science, particularly in medical and sports settings, is the Bland-Altman/Tukey Mean-Difference plot. When comparing two sets of measurements for the same variable made by different instruments, it is often required to determine whether the instruments are in agreement or not. Correlation and ...
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RStudio Server Pro is now available on AWS Marketplace

May 31, 2017 | Roger Oberg

RStudio is excited to announce the availability of its flagship enterprise-ready integrated development environment for R in AWS Marketplace. RStudio Server Pro AWS is identical to RStudio Server Pro, but with turnkey convenience. It comes pre-configured with multiple versions of R, common systems libraries, and the most popular R packages. ...
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