1905 search results for "RStudio"

Review: Data Science at the Command Line

December 15, 2014
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Review: Data Science at the Command Line

Admission: I didn’t really know how computers worked until around 2012. For the majority of my career, I’ve worked for large companies with centralized IT functions. Like many statisticians, I fell into a comfortable position of learning SAS in a Windows environment, had Ops people to fix any Unix problems I’d run into and DBAs to

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httr 0.6.0

December 14, 2014
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httr 0.6.0

httr 0.6.0 is now available on CRAN. The httr packages makes it easy to talk to web APIs from R. Learn more in the quick start vignette. This release is mostly bug fixes and minor improvements. The most important are: handle_reset(), which allows you to reset the default handle if you get the error “easy

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Hierarchical Clustering with R (feat. D3.js and Shiny)

December 14, 2014
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Hierarchical Clustering with R (feat. D3.js and Shiny)

Agglomerative hierarchical clustering is a simple, intuitive and well-understood method for clustering data points. I used it with good results in a project to estimate the true geographical position of objects based on measured estimates. With this tutorial I would … Continue reading →

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UEFA Champions League Round of 16 draw

December 13, 2014
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UEFA Champions League Round of 16 draw

Each year after the group stage, there is the much awaited drawing of the eighth-final, which essentially defines a team’s fate. So far the thing is not too complicated, as there are 16 teams out of which we need to generate 8 games – no problem if it would be possible to draw the teams without

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An introduction to rtsetse, a detailed population simulation in R

December 11, 2014
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An introduction to rtsetse, a detailed population simulation in R

In this post I introduce R code to simulate tsetse fly populations I’m developing for the Liverpool School for Tropical Medicine starting in 2014. I will outline some background and point you to the code and user interface that are under development. In subsequent posts I’ll cover particular aspects of implementation. African sleeping sickness is a serious...

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Revolution R Open 8.0.1 now available

December 11, 2014
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Revolution R Open 8.0.1 now available

We've just made the latest update to Revolution R Open, the enhanced distribution of open-source R, available for download from MRAN. The main feature of this release is an upgrade to the R 3.1.2 engine, and support for MacOS Yosemite. (You can read about all the changes in the NEWS file.) To support reproducibility, Revolution R Open works with...

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Use hidden advanced arguments for user-friendly functions

December 10, 2014
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Use hidden advanced arguments for user-friendly functions

As a user Imagine that you are starting to learn how to use a specific R package, lets call it foo. You will look at the vignette (if there is one), use help(package = foo), or look at the reference manual (for example, devtools' ref man). Eventually, you will open the help page for the function(s) you are interested...

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Look! It’s your data!

December 10, 2014
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Look! It’s your data!

If a picture is worth a thousand words, then how many tables are a single visualization worth? Exploratory data analysis is a great way to see what is and is not in your dataset. I work in a hospital research… Continue reading →

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Set up R/Stan on Amazon EC2

December 10, 2014
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A few months ago I posted the script that I use to set up my R/JAGS working environment on an Amazon EC2 instance.Since then I've largely transitioned to using R/Stan to estimate my models. So, I've updated my setup script (see below). There are a few...

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Tim Bowles on multivariate stats with vegan

December 9, 2014
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Today, Tim Bowles gave this presentation on the vegan package to the Davis R Users’ Group. The screencast and slides are below. You can also download Tim’s RStudio project with all the code, data, figures, and slides presented here. Thanks to Tim for a great session!

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