Is there a Kindle edition of Practical Data Science with R?

December 21, 2014
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Is there a Kindle edition of Practical Data Science with R?

We have often been asked “why is there no Kindle edition of Practical Data Science with R on Amazon.com?” The short answer is: there is an edition you can read on your Kindle: but it is from the publisher Manning (not Amazon.com). The long answer is: when Amazon.com supplies a Kindle edition readers have to … Continue reading...

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How to conduct a tombola with R

December 21, 2014
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Two weeks ago, we announced to raffle off three hardcover versions of our ADCR book among all followers of our Twitter account @RDataCollection. Tomorrow is closing...

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Merry Christmas

December 21, 2014
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Merry Christmas

Based on The DO loop, since I wanted a fractal Christmas tree and there is no point in inventing what has been made already. Besides, this is not the...

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NeuralNetTools 1.0.0 now on CRAN

December 20, 2014
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NeuralNetTools 1.0.0 now on CRAN

After successfully navigating the perilous path of CRAN submission, I’m pleased to announce that NeuralNetTools is now available!  From the description file, the package provides visualization and analysis tools...

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digest 0.6.7

December 20, 2014
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Release 0.6.7 of digest package is now on CRAN and in Debian. Jim Hester was at it again and added murmurHash. I cleaned up several sets of pedantic warnings...

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Statistical Analysis and Data Mining hot on LinkedIn for 2014

December 19, 2014
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Statistical Analysis and Data Mining are considered the hottest skills on LinkedIn for 2014.  According to their report from analyzing jobs and recruiters on the LinkedIn website.  I would say...

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A small introduction to the ROCR package

December 19, 2014
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A small introduction to the ROCR package

I've been doing some classification with logistic regression in brain imaging recently. I have been using the ROCR package, which is helpful at estimating performance measures and plotting these...

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Introduction to R Chapter for IFSWR Book

December 19, 2014
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Introduction to R Chapter for IFSWR Book

I have uploaded a draft of Chapter 1 — A Very Brief Introduction to R — to Introduction to Fisheries Science with R book.  This chapter is very bare...

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A list of awesome statistics resources in 2014

December 19, 2014
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Johns Hopkins Biostatistics Professor (and presenter of Data Analysis at Coursera) Jeff Leek has published his list of awesome things other people did in 2014. It's well worth following...

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50 years of Christmas at the Windsors

December 19, 2014
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50 years of Christmas at the Windsors

It is that time of year again: Truckloads of lights are dumped into store windows, people scramble to get their Christmas shopping done, and it is becoming increasingly unbearable...

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Create a Google Analytics implementation doc using R

December 19, 2014
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Create a Google Analytics implementation doc using R

  One of most frustrating things that you can face during a day is someone to ask you to give her the definitions of the funnel that someone configured a...

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Rocker is now the official R image for Docker

December 19, 2014
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Rocker is now the official R image for Docker

Something happened a little while ago which we did not have time to commensurate properly. Our Rocker image for R is now the official R image for Docker...

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The Geometry of Classifiers

December 18, 2014
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The Geometry of Classifiers

As John mentioned in his last post, we have been quite interested in the recent study by Fernandez-Delgado, et.al., “Do we Need Hundreds of Classifiers to Solve Real World...

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Wide Receiver Gold Mining -Week 16

December 18, 2014
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The graph below summarizes the projections from a variety of sources. This week’s summary includes projections from: Fantasy Football Sharks, CBS’s Jamey Eisenberg, Fantasy Football Today, CBS’s Dave Richard,...

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My Commonly Done ggplot2 graphs: Part 2

December 18, 2014
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My Commonly Done ggplot2 graphs: Part 2

In my last post I described some of my commonly done ggplot2 graphs. It seems as though some people are interested in these, so I was going to follow...

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Revolution Analytics’ 2015 R User Group Support Program is underway!

December 18, 2014
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Revolution Analytics’ 2015 R User Group Support Program is underway!

by Joseph Rickert Revolution Analytics's 2015 R User Group Support Program (RevoRUGS) begins today. Last year we provided financial support to 51 groups worldwide. That works out to be...

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htmlwidgets: JavaScript data visualization for R

December 18, 2014
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htmlwidgets: JavaScript data visualization for R

Today we’re excited to announce htmlwidgets, a new framework that brings the best of JavaScript data visualization libraries to R. There are already several packages that take advantage of the framework...

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Influence.ME now supports sampling weights

December 18, 2014
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Influence.ME is an R package that helps detecting influential cases in multilevel regression models. It has been around for a while now, and recent changes in lme4 broke the...

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Curling – exploring web request options

December 18, 2014
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rOpenSci specializes in creating R libraries for accessing data resources on the web from R. Most times you request data from the web in R with our packages, you...

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Ratfor, R, RUNOFF, RPG and Ruby

December 17, 2014
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R is for Ratfor, R, RUNOFF, RPG and Ruby Ratfor is a structured form of Fortran from the days when structured programming was the in-thing and Fortran did not...

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R code coverage support via docker

December 17, 2014
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R code coverage support via docker 2014-12-17 Source In my previous post , I used a R with built-in code coverage to compute the code coverage of some packages. Today I...

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New leadership of the R Foundation

December 17, 2014
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The R Foundation, the Austria-based non-profit founded in 2003 to oversee the R Project, recently held leadership elections and added some new members. The new R Foundation Board is:...

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Sketching Scatterplots to Demonstrate Different Correlations

December 17, 2014
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Sketching Scatterplots to Demonstrate Different Correlations

Looking just now for an openly licensed graphic showing a set of scatterplots that demonstrate different correlations between X and Y values, I couldn’t find one. So here’s a...

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Preferring a preference index

December 17, 2014
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Preferring a preference index

I’ve been reading about preference indexes lately, specifically for characterising pollinator preferences for plants, so here is what I learnt. Preference is defined as using an item (e.g. plant) more...

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Joint Models with Categorical Longitudinal Outcomes

December 17, 2014
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Extending the Standard Joint Model In a previous post we have briefly introduced the framework of joint models for longitudinal and time-to-event data, and we have shown how models...

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New R package for electricity forecasting

December 17, 2014
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Shu Fan and I have developed a model for electricity demand forecasting that is now widely used in Australia for long-term forecasting of peak electricity demand. It has become...

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More Snowdoop Coming

December 16, 2014
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More Snowdoop Coming

In spite of the banter between Yihui and me, I’m glad to hear that he may be interested in Snowdoop, as are some others.  I’m quite busy this week...

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Peter Norvig’s Spell Checker in Two Lines of Base R

December 16, 2014
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Peter Norvig’s Spell Checker in Two Lines of Base R

Peter Norvig, the director of research at Google, wrote a nice essay on How to Write a Spelling Corrector a couple of years ago. That essay explains and...

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Introducing V8: An Embedded JavaScript Engine for R

December 16, 2014
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Introducing V8: An Embedded JavaScript Engine for R

JavaScript is an fantastic language for building applications. It runs on browsers, servers and databases, making it possible to design...

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