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 couple of years ago for 10 product categories. The only thing that can help you in this is to have an Implementation document. Oh, you betKeep reading

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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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Yikes…It’s Been Awile

December 16, 2014
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Apparently our last blog post was in August. Dang. Where did five months go? Blog guilt would be killing me, but I swear it was just yesterday that Mine...

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10 new R jobs (for December 16th 2014) – from Intel to University of Iowa and more

December 16, 2014
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10 new R jobs (for December 16th 2014) – from Intel to University of Iowa and more

This is the bimonthly R Jobs post (for 2014-12-16), based on the R-bloggers’ sister website: R-users.com. If you are an employer who is looking to hire people from the R community, please visit this link...

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The Mandelbrot Set in R

December 16, 2014
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The Mandelbrot Set in R

IntroductionI was having a conversation with someone I know about weather forecasts the other day and it went something like this:"Yes, their forecasts are really not very good. They...

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Interactive 2D & 3D Plots with Plotly and ggplot2

December 16, 2014
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Interactive 2D & 3D Plots with Plotly and ggplot2

by Matt Sundquist co-founder of Plotly R, Plotly, and ggplot2 let you make, share, and collaborate on beautiful, interactive plots online. Let's see what we can do with the...

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Extending methylKit: Christmas Offer for Methylome Researchers

December 16, 2014
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Next week is going to be a vacation and most of us are going on vacation. Me too. However, I thought that this Christmas I would OFFER fellow researchers...

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Simulating Intricate Branching Patterns with DLA

December 16, 2014
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Simulating Intricate Branching Patterns with DLA

Manfred Schroeder's book Fractals, Chaos, Power Laws is a fruitful source of interesting topics and projects. He gives a thorough description of Diffusion-Limited Aggregation (DLA) as a technique for...

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Notes from the Kölner R meeting, 12 December 2014

December 16, 2014
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Notes from the Kölner R meeting, 12 December 2014

Last week's Cologne R user group meeting was the best attended so far, and it was a remarkable event - I believe not a single line of R code...

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The Awesome Parrondo’s Paradox

December 15, 2014
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The Awesome Parrondo’s Paradox

A technique succeeds in mathematical physics, not by a clever trick, or a happy accident, but because it expresses some aspect of physical truth (O. G. Sutton) Imagine three...

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New Package: partools

December 15, 2014
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New Package:  partools

I mentioned last week that I would be putting together a package, based in part on my posts on Snowdoop.  I’ve now done so, in a package partools., with...

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Cartography with complex survey data

December 15, 2014
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Cartography with complex survey data

Visualizing complex survey data is something of an art. If the data has been collected and aggregated to geographic units (say, counties or states), a choropleth is one option....

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