The reproducibility crisis in science and prospects for R

July 26, 2016
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Guest post by Gregorio Santori (<[email protected]>) The results that emerged from a recent Nature‘s survey confirm as, for many researchers, we are living in a weak reproducibility age (Baker M. Is there a reproducibility crisis? Nature 2016;533:453-454). Although the definition of reproducibility can vary widely between disciplines, in this survey was adopted the version for … Continue...

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rotl paper published

rotl paper published

We are excited to announce a paper describing rotl, our package for the Open Tree of Life data, has been published. The full citation is: Michonneau, F., Brown, J. W. and...

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Microsoft R Open 3.3.0 now available

July 25, 2016
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Microsoft R Open 3.3.0 now available

Microsoft R Open 3.3.0, the enhanced distribution of open source R, is now available for download for Windows, Mac and Linux systems. This release includes a significant updates to...

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Showing code changes when teaching

July 25, 2016
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A key – but challenging – part of learning to program is moving from writing technically-correct code “that works” to writing high-quality code that is sensibly decomposed into functions,...

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Economy and dynamic modelling: Haavelmo’s approach

July 25, 2016
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Econometrics aims at estimating observables in the economy and their inter-dependencies and testing the estimates against the economic reality. A quantitative approach to express these inter-dependencies appear as...

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Image recognition in R using convolutional neural networks with the MXNet package

July 25, 2016
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Image recognition in R using convolutional neural networks with the MXNet package

Among R deep learning packages, MXNet is my favourite one. Why you may ask? Well I can’t really say why this time. It feels relatively simple, maybe because at...

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The collaborative innovation landscape in data science

July 24, 2016
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Computing platforms should be like Lego. That is, they should provide the fundamental building blocks and enable the users' imagination to innovate. The latest issue of...

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Using 2D Contour Plots within {ggplot2} to Visualize Relationships between Three Variables

July 24, 2016
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Using 2D Contour Plots within {ggplot2} to Visualize Relationships between Three Variables

Guest post by John Bellettiere, Vincent Berardi, Santiago Estrada The Goal To visually explore relations between two related variables and an outcome using contour plots. We use the contour...

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RcppArmadillo 0.7.200.2.0

July 24, 2016
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RcppArmadillo 0.7.200.2.0

The second Armadillo release of the 7.* series came out a few weeks ago: version 7.200.2. And RcppArmadillo version 0.7.200.2.0 is now on CRAN and uploaded to Debian....

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Mid-year R Packages Update Summary

July 24, 2016
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I been updating some existing packages and github-releasing new ones (before a CRAN push). Most are “cyber”-related, but there are some general purpose ones. Here’s a quick overview: docxtractr...

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Placement: An R package to Access the Google Maps API

July 24, 2016
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A few months ago I set out to write an R package for accessing the Maps API with my employer’s (paid) Google for Work/Premium account. At the time, I...

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Start here to learn R!

July 22, 2016
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Start here to learn R!

Ready, set, go! On R-exercises, you will find hundreds of exercises that will help you to learn R. We’ve bundled them into exercise sets, where each set covers a...

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StatET IDE for R

July 22, 2016
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StatET IDE for R

I personally do not use Integrated Development environments (IDEs) for R, or for that matter for any programming language. From my point of view, they take up too much...

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Don’t miss Hadley Wickham’s Master R Workshop September 12 and 13 in NYC

July 22, 2016
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Don’t miss Hadley Wickham’s Master R Workshop September 12 and 13 in NYC

New York City is a wonderful place to be most of the time but especially in September! If you live or work in the city or just want a...

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More data scientists prefer R: survey

July 22, 2016
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More data scientists prefer R: survey

by Joseph Rickert Last week in a webinar, Burtch Works, an Illinois based executive recruiting firm that specializes in finding analytic talent, released the results of their third annual...

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Mortality by Year and Age

July 22, 2016
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Mortality by Year and Age

Taking another look at the data from the lifespan package. Plot below shows the evolution of mortality in the US as a function of year and age. Also, following...

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Eclipse – an alternative to RStudio – part 1

July 22, 2016
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Eclipse – an alternative to RStudio – part 1

Many R users enjoy working in RStudio, but it’s not your only option for reproducible research in R. Stephen Wahlbrink has written a plugin for Eclipse, Statet, that offers...

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RcppCCTZ 0.0.5

July 21, 2016
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Version 0.0.5 of RcppCCTZ arrived on CRAN a couple of days ago. It reflects an upstream fixed made a few weeks ago. CRAN tests revealed that...

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A budget of classifier evaluation measures

July 21, 2016
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A budget of classifier evaluation measures

Beginning analysts and data scientists often ask: “how does one remember and master the seemingly endless number of classifier metrics?” My concrete advice is: Read Nina Zumel’s excellent series...

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Return of the NEISS Data

July 21, 2016
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Return of the NEISS Data

Almost six months ago (!) I wrote a blog post about the NEISS data set, a sample of accidents reported to emergency rooms in the U.S. that are...

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BioC 2016 Conference Overview and Few Ways of Downloading TCGA Data

July 21, 2016
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BioC 2016 Conference Overview and Few Ways of Downloading TCGA Data

Few weeks ago I have a great pleasure of attending BioC 2016: Where Software and Biology Connect Conference at Stanford, where I have learned a lot! It wouldn’t...

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New: Traditional Chinese Translation of Intro to R

July 21, 2016
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New Free Course: Introduction to R in Traditional Chinese The DataCamp team is thrilled to announce that our Introduction to R course has been generously translated by our friend and...

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Introducing the Microsoft Data Science Summit, Sep 26-27

July 21, 2016
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Microsoft has a brand-new conference, exclusively for data scientists, big data engineers, and machine learning practitioners. The Microsoft Data Science Summit, to be held in Atlanta GA, September 26-27,...

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Bulk Downloading Adobe Analytics Data

July 21, 2016
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This blog post also serves as release notes for RSiteCatalyst v1.4.9, as only one feature was added (batch report request and download). But it’s a feature big enough for...

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Does sentiment analysis work? A tidy analysis of Yelp reviews

July 21, 2016
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Does sentiment analysis work? A tidy analysis of Yelp reviews

This year Julia Silge and I released the tidytext package for text mining using tidy tools such as dplyr, tidyr, ggplot2 and broom....

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Performing Principal Components Regression (PCR) in R

July 20, 2016
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Performing Principal Components Regression (PCR) in R

Principal components regression (PCR) is a regression method based on Principal Component Analysis: discover how to perform this Data Mining technique in R The post Performing Principal Components...

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Monte Carlo Analysis of Manning’s Equation: A Shiny App

July 20, 2016
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Monte Carlo Analysis of Manning’s Equation:  A Shiny App

Monte Carlo analysis is a great way to explore the impact of input variable uncertainty on the results of engineering equations, and with vector variables and distribution and sampling...

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Bayesian Bootstrap: The Movie + Some Highlights from UseR! 2016

July 20, 2016
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Not surprisingly, this year’s UseR! conference was a great event with heaps of talented researchers and R-developers showing off the latest and greatest R packages. (A surprise visit from...

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Networks, mazes, and R (Rmaze)

July 20, 2016
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Networks, mazes, and R (Rmaze)

Like many people who work with networks (aka graphs), I like to emphasize their usability and applicability to different problems. If some phenomena can be described by its objects...

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