Monthly Archives: August 2015

Moment conditions and Bayesian nonparametrics

August 5, 2015
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Moment conditions and Bayesian nonparametrics

Luke Bornn, Neil Shephard, and Reza Solgi (all from Harvard) have arXived a pretty interesting paper on simulating targets on a zero measure set. Although it is not initially presented this way, but rather in non-parametric terms as moment conditions where θ is the parameter of the sampling distribution, constrained by the value of β. (Which

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How to Analyze Data: 6 Useful Ways To Use Color In Graphs

August 5, 2015
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How to Analyze Data: 6 Useful Ways To Use Color In Graphs

Effectively using color means your graphs clearly communicate your data. This post shows how. We summarize and apply visualization research to real-world examples. You can make graphs like these with Plotly’s web app, or APIs for Python, MATLAB, and R. For users who want to securely share graphs and data within a team, or create interactive dashboards, contact us...

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How to Analyze Data: 6 Useful Ways To Use Color In Graphs

August 5, 2015
By
How to Analyze Data: 6 Useful Ways To Use Color In Graphs

Effectively using color means your graphs clearly communicate your data. This post shows how. We summarize and apply visualization research to real-world examples. You can make graphs like these with Plotly’s web app, or APIs for Python, MATLAB, and R. For users who want to securely share graphs and data within a team, or make interactive dashboards, contact us...

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ImageJ Selections to Georeferenced Spatial Objects

August 5, 2015
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ImageJ Selections to Georeferenced Spatial Objects

05.08.2015 As a result of the last UseR conference and some great spatial workshops and talks where I participated I decided to rework the selection dialog for the upcoming Bio7 2.3 to transfer ImageJ selection data as ‘Spatial Objects’ with the help of the package ‘sp‘ and the Java GDAL binding (version 1.7.1). Video: One

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RcppArmadillo 0.5.300.4.0

August 4, 2015
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RcppArmadillo 0.5.300.4.0

A new Armadillo release 5.300.4 was prepared by Conrad the other day, and we prepared a new corresponding RcppArmadillo release 0.5.300.4.0 which is now on CRAN and in way into Debian. Armadillo is a powerful and expressive C++ template library for linear algebra aiming towards a good balance between speed and ease of use with a syntax deliberately close to...

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Ternary plots in politics

August 4, 2015
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Ternary plots in politics

This week, I read a post by Nicholas Hamilton about ternary plots that made me think, how this geometric diagram has many different application in science fields. Couple weeks ago, I was reading a book by Donald Saari, who uses ternary charts massively to project election outcomes in different electoral settings. Perhaps, most common, ternary

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Achieve Charting Zen With TauCharts

August 4, 2015
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There was some chatter on the twitters this week about a relatively new D3-based charting library called TauCharts (also @taucharts). The API looked pretty clean and robust, so I started working on an htmlwidget for it and was quickly joined by the Widget Master himself, @timelyportfolio. TauCharts definitely has a “grammar of graphics” feel about

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A Short Introduction to Bioconductor

August 4, 2015
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A Short Introduction to Bioconductor

by Peter Hickey (@PeteHaitch) One of the keys to R's success as a software environment for data analysis is the availability of user-contributed packages. Most useRs will be familiar with (and very grateful for) the Comprehensive R Archive Network (CRAN). The packages available on CRAN, nearly 7000 at last count, cover common data analysis tasks, such as importing data...

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dendextend: a package for visualizing, adjusting, and comparing dendrograms (based on a paper from “bioinformatics”)

August 4, 2015
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dendextend: a package for visualizing, adjusting, and comparing dendrograms (based on a paper from “bioinformatics”)

This post on the dendextend package is based on my recent paper from the journal bioinformatics (a link to a stable DOI). The paper was published just last week, and since it is released as CC-BY, I am permitted (and delighted) to republish it here in full: abstract Summary: dendextend is an R package for creating and comparing visually appealing … Continue reading dendextend:...

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Getting Started: Adobe Analytics Clickstream Data Feed

August 4, 2015
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Getting Started: Adobe Analytics Clickstream Data Feed

“Well, first you need a TMS and a three-tiered data layer, then some jQuery with a node backend to inject customer data into the page asynchronously if you want to avoid cookie-based limitations with cross-domain tracking and be Internet Explorer 4 compatible…” Blah Blah Blah. There’s a whole cottage industry around jargon-ing each other to

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