1878 search results for "Ggplot2"

#13 Mapping in R: Representing geospatial data together with ggplot

February 1, 2013
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#13 Mapping in R: Representing geospatial data together with ggplot

I have been trawling around for a while now trying to find a simple and understandable way of representing geospatial data in R, whilst retaining the ability to manipulate the visualisation in ggplot. After much searching I came across some articles which got me to a working product only after a lot of ball ache.

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Taking Expectations to the Next Level

January 31, 2013
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Taking Expectations to the Next Level

Higher Expectations I came across this post on Thursday and found it to be quite interesting. Clearly rental prices vary according to where you live. That isn't too surprising. I started thinking a bit more about it and thought that Boston and the nearby communities would have to...

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Using Line Segments to Compare Values in R

January 31, 2013
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Using Line Segments to Compare Values in R

Sometimes you want to create a graph that will allow the viewer to see in one glance:The original value of a variableThe new value of the variableThe change between old and newOne method I like to use to do this is using geom_segment and geom_poin...

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How to install packages on R + screenshots

January 31, 2013
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How to install packages on R + screenshots

Have no fear, the screenshots are here! (For the original tutorial, click here) Method 1 (less typing) Part 1-Getting the Package onto Your Computer Open R via  your preferred method (icon on desktop, Start Menu, dock, etc.) Click “Packages” in the top menu then click “Install package(s)”.  Choose a mirror that is closest to your geographical location. Now

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Soup up your R environment: how to install packages

January 31, 2013
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Soup up your R environment: how to install packages

Today we are going to make additions to our R environment in a common process called installing packages. The transition won’t be as long, drastic nor emotional as an episode of Extreme Makeover: Home Edition, but it does add on more capabilities to your R environment. A package is a bunch of codes combined and distributed

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Using SPARQL Query Libraries to Generate Simple Linked Data API Wrappers

January 31, 2013
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Using SPARQL Query Libraries to Generate Simple Linked Data API Wrappers

A handful of open Linked Data have appeared through my feeds in the last couple of days, including (via RBloggers) SPARQL with R in less than 5 minutes, which shows how to query US data.gov Linked Data and then Leigh Dodds’ Brief Review of the Land Registry Linked Data. I was going to post a

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Using SPARQL Query Libraries to Generate Simple Linked Data API Wrappers

January 31, 2013
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Using SPARQL Query Libraries to Generate Simple Linked Data API Wrappers

A handful of open Linked Data have appeared through my feeds in the last couple of days, including (via RBloggers) SPARQL with R in less than 5 minutes, which shows how to query US data.gov Linked Data and then Leigh Dodds’ Brief Review of the Land Registry Linked Data. I was going to post a

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Maximize Your Expectations!

January 30, 2013
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Maximize Your Expectations!

A Problem A major problem in secondary data analysis is that you didn't get to decide what data was collected. Lets say you were interested in how many times a student has read the Twilight books). Specifically, you want to know how effective the ads for...

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F1Stats – Visually Comparing Qualifying and Grid Positions with Race Classification

January 30, 2013
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F1Stats – Visually Comparing Qualifying and Grid Positions with Race Classification

Following the roundabout tour of F1Stats – A Prequel to Getting Started With Rank Correlations, here’s a walk through of my attempt to replicate the first part of A Tale of Two

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Football geeks: your 10,705 field goals are ready

January 28, 2013
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Football geeks: your 10,705 field goals are ready

We looked at NFL punts before on Decision Science News. That's old news. Field goals are the new hotness, and Super Bowl Sunday is coming up, so let's look at a kicker's chances. We've taken the same data set and looked at a kicker's chances of getting the ball through the uprights depending on the yard line the kick is...

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