5039 search results for "git"

Visualizing the Forbes-CCAP University Rankings using ggplot2, rCharts, googleVis, and the shiny server

August 27, 2013
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Visualizing the Forbes-CCAP University Rankings using ggplot2, rCharts, googleVis, and the shiny server

President Obama is pushing for higher education reform and the development of a rating system for Universities is a critical component of it. These ratings are likely to be based on several measures, such as graduation rates, earnings of graduates, and...

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Fantastic presentations from R using slidify and rCharts

August 27, 2013
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Fantastic presentations from R using slidify and rCharts

Dr. Ramnath Vaidyanathan of McGill University gave an excellent presentation at a joint Data Visualization DC/Statistical Programming DC event on Monday, August 19 at nclud, on two R projects he leads — slidify and rCharts. After the evening, all I can say … Continue reading → The post Fantastic presentations from R using slidify and rCharts appeared first on

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OpenCPU 1.0 release!

August 27, 2013
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OpenCPU 1.0 release!

After more than 3 years of development, we release the first official version of the OpenCPU system. Based on feedback and experiences from the beta series, OpenCPU version 1.0 has been rewritten entirely from scratch. The result is simple and flexible API that is easier to understand yet more powerful than before. With the new...

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googleVis 0.4.4 released with new formatting options for tables

August 26, 2013
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Over the weekend googleVis 0.4.4 found its way to CRAN. The function gvisTable gained a new argument formats that allow users to define the formats numbers displayed in tables. Thanks to J. Buros, who contributed the code.ExampleLoadingSession InfoR ve...

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mfg, mfcol, mfrow, and layout() – secret friends

August 26, 2013
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I was working on an issue (enhancement) today in my groan R-package today that required adding additional plotting elements via lines() and points() to a device that had already been partitioned by layout(). The code I wanted to use was essentially: #...

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Using R to visualize Karpov-vs-Kasparov Lifetime winner-take-all tally

August 26, 2013
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Using R to visualize Karpov-vs-Kasparov Lifetime winner-take-all tally

The Karpov vs. Kasparov rivalry holds a special place in the chess world.The idea behind this analysis is simple. If we take their lifetime games, plot the wins, what would it look like? We introduce one twist -- we'll be plotting the "winner-take-all"...

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Types of Data on R

August 26, 2013
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Types of Data on R

There are different types of data on R. I use type here as a technical term, rather than merely a synonym of “variety”.  There are three main types of data: Numeric: ordinary numbers Character: not treated as a number, but as a word. You cannot add two characters, even if they appear to be numerical. Characters

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Changeability of Value at Risk estimators

August 26, 2013
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Changeability of Value at Risk estimators

How does Value at Risk change through time for the same portfolio? Previously There has been a number of posts on Value at Risk, including a basic introduction to Value at Risk and Expected Shortfall. The components garch model was also described. Issue The historical method for Value at Risk is by far the most commonly … Continue reading...

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Using JavaScript visualization libraries with R

August 26, 2013
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This is a short tutorial on knitr/markdown and JS visualization packages googleVis and rCharts. With these packages you can create web pages with interactive visualizations just using R. This will require minimal or no knowledge of HTML ...

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OpenCPU 1.0 release!

August 26, 2013
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After more than 3 years of development, we release the first official version of the OpenCPU system. Based on feedback and experiences from the beta series, OpenCPU version 1.0 has been rewritten entirely from scratch. The result is simple and flexible API that is easier to understand yet more powerful than before. With the new release also comes a new website and...

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