1831 search results for "ggplot"

(Manually) making letters with geom_path() – fun example

August 15, 2012
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(Manually) making letters with geom_path() – fun example

Disclaimer, maybe the title should be ‘lame example’. Nothing overly exciting here. Just posting cause it took a little faffing about and someone else might like the idea. At my work (research institute) we (the social club committee) were organising … Continue reading →

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Probit Models with Endogeneity

August 15, 2012
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Probit Models with Endogeneity

Dealing with endogeneity in a binary dependent variable model requires more consideration than the simpler continuous dependent variable case. For some, the best approach to this problem is to use the same methodology used in the continuous case, i.e. 2 stage least squares. Thus, the equation of interest becomes a linear probability model (LPM). The

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2012 Summer Olympics: Home Court Advantage – How Will the Brits Perform?

August 9, 2012
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2012 Summer Olympics: Home Court Advantage – How Will the Brits Perform?

The Olympics are a big deal on a global scale. How big? Perhaps Paula Radcliffe (an English long distance runner) said it best:"I have achieved a lot and I'm grateful for that - I'm just a bit greedy because I want to add the Olympics. It's...

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Exploring distributions of Ensatina salamander subspecies using rvertnet by Neil Kelly

August 9, 2012
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Exploring distributions of Ensatina salamander subspecies using rvertnet by Neil Kelly

This week we have a guest blog post by Neil Kelley Last week, I stumbled on Vijay’s blog post demonstrating his new package rvertnet. Although I am a paleontologist, some of my research involves anatomical comparison between extinct species and extant relatives or ecological analogs, so I have some experience using VertNet to track down

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The top 10 critical packages on CRAN

August 8, 2012
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The top 10 critical packages on CRAN

While most R packages on CRAN are designed to be used by an R user directly, a few packages are designed to be used by other package developers. (And some packages are so useful that they're regularly used by both camps.) When a package author publishes a package to CRAN, she must list those packages that provide functions her...

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Unify R plots with pander

August 7, 2012
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Unify R plots with pander

MotivationR has a great variety of plotting tools (just to mention a few: the base graphics and e.g. lattice and ggplot2 packages building on grid) and most R user has a preference for either of them.I think all of you would agree with me: each package...

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At A Glance View of the 2012 Olympics Heptathlon Performances

August 4, 2012
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At A Glance View of the 2012 Olympics Heptathlon Performances

I spent most of today, err, yesterday, failing to hold back the tears as the medal performances from the Team GB Olympians kept rolling in… So to celebrate one of those wonderful performances, here are a couple of quick sketches of how Jessica Ennis made her medal in the Heptathlon. (The data is cut and

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Horizon Plots in Base Graphics

August 3, 2012
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Horizon Plots in Base Graphics

for background please see prior posts More on Horizon Charts, Application of Horizon Plots, Horizon Plot Already Available, and Cubism Horizon Charts in R There are three primary graphics routes in R (base graphics, lattice, and ggplot2), and each have...

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2012 Olympics Swimming – 100m Butterfly Men Finals prediction

August 3, 2012
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2012 Olympics Swimming – 100m Butterfly Men Finals prediction

2012 Olympics Swimming - 100m Butterfly Men Finals prediction Author: Matt Malin Inspired by mages’ blog with predictions for 100m running times, I’ve decided to perform some basic modelling (loess and linear modelling) on previous Olympic results for the 100m Butterfly Men’s medal winning results. Code setup library(XML) library(ggplot2)swimming_path <- "http://www.databasesports.com/olympics/sport/sportevent.htm?sp=SWI&enum=200"swimming_data <- readHTMLTable( readLines(swimming_path), which = 3, stringsAsFactors...

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R training: Visualization, Big Data, Data Mining, and Marketing Analytics

August 2, 2012
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Revolution Analytics is hosting several live and online courses over the next couple of months that will be of interest to R users looking to hone their skills: Visualization in R with ggplot2. Garrett Grolemund and Winston Chang instruct how to use the ggplot2 package to make, format, label and adjust graphs using R. (August 28, Redwood City, CA.)...

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