2956 search results for "ggplot"

OpenAnalytics @ UseR 2013: What’s on the Program?

July 1, 2013
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Monday 1 July 2013 - 22:37 OpenAnalytics is once more proud sponsor of the yearly R User Conference and sent a strong delegation to present some of its recent work. On Tuesday July 9 Tobias Verbeke and Stephan Wahlbrink give a pre-conference...

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Using R to Produce Scalable Vector Graphics for the Web

June 30, 2013
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Using R to Produce Scalable Vector Graphics for the Web

Statistical software is normally used during the analysis stage of a project and a cleaned up static graphic is created for the presentation.  If the presentation is in web format then there are some considerations that are needed. The trick is to find ways to implement those graphs in that web format so the graph

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Learning R: Parameter Fitting for Models Involving Differential Equations

June 30, 2013
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Learning R: Parameter Fitting for Models Involving Differential Equations

It looks like MATLAB, Octave and Python seem to be the preferred tools for scientific and engineering analysis (especially those involving physical models with differential equations). However as part of my learning R experience, I wanted to check out some … Continue reading →

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Shiny Server on CentOS

June 29, 2013
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I’ve been enjoying working with Joe Cheng’s Shiny Server and wanted to create a quick step-by-step guide on installing it on an AWS CentOS EC2 instance as the standard Shiny Server instructions assume the typical dependencies are installed: 1. Shiny’s instructions say to install libssl-dev (sudo yum install libssl-dev), here is the CentOS equivalent : sudo yum install openssl-devel

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Using R: Two plots of principal component analysis

June 26, 2013
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Using R: Two plots of principal component analysis

PCA is a very common method for exploration and reduction of high-dimensional data. It works by making linear combinations of the variables that are orthogonal, and is thus a way to change basis to better see patterns in data. You either do spectral decomposition of the correlation matrix or singular value decomposition of the data

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-omics in 2013

June 24, 2013
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-omics in 2013

Just how many (bad) -omics are there anyway? Let’s find out. 1. Get the raw data It would be nice if we could search PubMed for titles containing all -omics: However, we cannot since leading wildcards don’t work in PubMed search. So let’s just grab all articles from 2013: and save them in a format

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Visualising Crime Hotspots in England and Wales using {ggmap}

June 24, 2013
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Visualising Crime Hotspots in England and Wales using {ggmap}

Two weeks ago, I was looking for ways to make pretty maps for my own research project. A quick search led me to some very informative blog posts by Kim Gilbert, David Smith and Max Marchi. Eventually, I Google'd the excellent crime weather map exa...

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Opel Corsa Diesel Usage

June 24, 2013
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Opel Corsa Diesel Usage

I wanted to extend my car weight distribution calculation of June 16 from only 2000 to years 2000 to 2013. Unfortunately, come Sunday afternoon the code seemed too slow and not even the beginning of a post. So, I went on to another calculation I w...

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Creating a BI Dashboard: Part 1

June 23, 2013
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Creating a BI Dashboard: Part 1

Introduction A few first posts of this blog will demonstrate how to build each report hosted by the business intelligence (BI) application dashboard shown below (see Fig. 1). This application uses the following tools and technologies R – a free software environment for statistical computing and graphics, ASP.NET MVC4 – a free framework for building

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Revisualizing the best cities in the US in 2012- Shiny + googleVis = Incredibly powerful

June 23, 2013
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Revisualizing the best cities in the US in 2012- Shiny + googleVis = Incredibly powerful

This is the last time I will talk about visualizing the best cities of 2012 based on Bloomberg Businessweek's rankings. In an earlier post on this topic, interactive applications to plot bar graphs and histograms for different characteristics...

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