805 search results for "RStudio"

plot textual differences in Shiny

February 21, 2013
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plot textual differences in Shiny

Wordclouds such as Wordle are pretty rubbish, so I thought I'd try to make a better one, one that actually produces (statistically) meaningful results. I was so happy with the outcome I decided to make it interactive, so go on, have a play!Compare any...

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Social Media Monitoring tools in R with just a few lines

February 21, 2013
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Social Media Monitoring tools in R with just a few lines

Social Media Analysis has become some kind of new obsession in Marketing. Every company wants to engage existing customers or attract new ones through this communication channel. Therefore, they hire designers, editors, community managers, etc. However, when it comes to … Continue reading →

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Social Media Monitoring tools in R with just a few lines

February 21, 2013
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Social Media Monitoring tools in R with just a few lines

Social Media Analysis has become some kind of new obsession in Marketing. Every company wants to engage existing customers or attract new ones through this communication channel. Therefore, they hire designers, editors, community managers, etc. However, when it comes to … Continue reading →

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Analysis of Public .Rhistory Files

February 20, 2013
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Analysis of Public .Rhistory Files

GitHub recently launched a more powerful search feature which has been used on more than one occasion to identify sensitive files that may be hosted in a public GitHub repository. When used innocently, there are all sorts of fun things you can find with this search feature. Inspired by Aldo Cortesi's post documenting his exploration

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Interactive two-host SIR model

February 20, 2013
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Interactive two-host SIR model

This is an example of interfacing R, shiny, and deSolve to produce an interactive environment where users can explore model behavior by altering parameters in an easy to use GUI.The model tracks the number of susceptible, infectious, and recovered individuals in two co-occuring host species. The rates of change for each class are represented as a system of differential...

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Interactive two-host SIR model

February 20, 2013
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This is an example of interfacing R, shiny, and deSolve to produce an interactive environment where users can explore model behavior by altering parameters in an easy to use GUI.The model tracks the number of susceptible, infectious, and recovered individuals in two co-occuring host species. The rates of change for each class are represented as a system of...

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metvurst now a package (repository moved to GitHub)

February 18, 2013
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metvurst now a package (repository moved to GitHub)

Inspired by a post on PirateGrunt, I finally managed to pack metvurst up and turn it into a proper R-Package (the fact that I'm on holiday and have some time also helped). As a side-effect of this, the repository has been moved from google code to G...

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New Rcpp master class scheduled for New York

February 18, 2013
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A new Rcpp master class is scheduled for March 9 in New York. The format will an updated version of the one-day workshops I have given at the University of Rochester in 2010, in San Franciso in 2011 (organised by Revolution Analytics) and at the UseR...

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Sector Rotation Back Test Shiny web application

February 18, 2013
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Sector Rotation Back Test Shiny web application

Today, I want to share the Sector Rotation Back Test application (code at GitHub). This is the last application in the series of examples (I have shared 5 examples) that will demonstrate the amazing Shiny framework and Systematic Investor Toolbox to analyze stocks, make back-tests, and create summary reports. The motivation for this series of

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Change fonts in ggplot2, and create xkcd style graphs

February 17, 2013
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Change fonts in ggplot2, and create xkcd style graphs

Installing and changing fonts in your plots comes now easy with the extrafonts-package. There is a excellent tutorial on the extrafonts github site, still I will shortly demonstrate how it worked for me. First, install the package and load it. You can now install the desired system fonts (at the moment only TrueType fonts): The

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