Monthly Archives: June 2015

dendextend version 1.0.1 + useR!2015 presentation

June 28, 2015
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dendextend version 1.0.1 + useR!2015 presentation

My R package dendextend (version 1.0.1) is now on CRAN! The dendextend package Offers a set of functions for extending dendrogram objects in R, letting you visualize and compare trees of hierarchical clusterings. With it you can (1) Adjust a tree’s graphical parameters – the color, size, type, etc of its branches, nodes and labels. … Continue reading dendextend...

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Generalizing from Marketing Research: The Right Question and the Correct Analysis

June 28, 2015
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Generalizing from Marketing Research: The Right Question and the Correct Analysis

The marketing researcher asks some version of the following question in every study, "Tell me what you want?" The rest is a summary of the notes taken during the ensuing conversation.Steve Jobs' quote suggests that we might do better getting a reaction...

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Bio7 at the useR! Conference 2015

June 28, 2015
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I recently released a new version of Bio7 just in time and planned for the useR conference 2015 where I will present Bio7 in the Ecology oral session titled: “A Graphical User Interface for R in an Integrated Development Environment for Ecological Modeling, Scientific Image Analysis and Statistical Analysis “. I hope to see you

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DotCity: a game written in R? and other statistical computer games?

June 28, 2015
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DotCity: a game written in R? and other statistical computer games?

A while back I recommended Nathan Uyttendaele’s beginner’s guide to speeding up R code. I’ve just heard about Nathan’s computer game project, DotCity. It sounds like a statistician’s minimalist take on SimCity, with a special focus on demographic shifts in … Continue reading →

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Deaths in the Netherlands by cause and age

June 28, 2015
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Deaths in the Netherlands by cause and age

I downloaded counts of deaths by age, year and mayor cause from the Dutch statistics site. In this post I do some plots to look at causes and changes between the years.Data Data from CBS. I downloaded the data in Dutch, hence the first thing to do...

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The Workflow of Infinite Shame, and other stories from the R Summit

June 27, 2015
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The Workflow of Infinite Shame, and other stories from the R Summit

At day one of the R Summit at Copenhagen Business School there was a lot of talk about the performance of R, and alternate R interpreters. Luke Tierney of the University of Iowa, the author of the compiler package, and R-Core member who has been working on R’s performance since, well, pretty much since R

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What is a good Sharpe ratio?

June 27, 2015
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We have previously written that we like the investment performance summary called the Sharpe ratio (though it does have some limits). What the Sharpe ratio does is: give you a dimensionless score to compare similar investments that may vary both in riskiness and returns without needing to know the investor’s risk tolerance. It does this … Continue reading What...

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Open Analytics @ UseR! 2015

June 27, 2015
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Saturday 27 June 2015 - 22:47 The knarrs of Open Analytics have left the port of Antwerp on their way to Denmark. What will our delegation bring to Aalborg besides our loyal sponsorship? Tuesday For starters we've just released a Dockerfile Editor which may be particularly useful for Dirk Eddelbuettel's tutorial on...

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When did same-sex marriage laws become effective by state?

June 26, 2015
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When did same-sex marriage laws become effective by state?

In light of the good news today that the Supreme Court ruled that same-sex couples have the right to marry in the United States, we thought we'd look when various states allowed same-sex couples to marry (if they did at all) before today. The post When did same-sex marriage laws become effective by state? appeared first on Decision Science News.

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Bio7 2.2 for Windows, Linux and MacOSX released

June 26, 2015
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Bio7 2.2 for Windows, Linux and MacOSX released

26.06.2015 I released a new version of Bio7 for Windows, Linux and MacOSX simultaneously. This release is based on Eclipse 4.5 which was published on Wednesday. It comes bundled with the latest ImageJ version (1.49u) and the latest R version (bundled with Windows and Mac). Download at: http://bio7.org New features: Based on Eclipse 4.5 (Mars)

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