966 search results for "Latex"

Le Monde puzzle [48]

December 1, 2010
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Le Monde puzzle [48]

This week(end), the Le Monde puzzle can be (re)written as follows (even though it is presented as a graph problem): Given a square 327×327 symmetric matrix A, where each non-diagonal entry is in {1,2,3,4,5} and , does there exist a triplet (i,j,k) such that Solving this problem in R is very easy. We can create

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How to create PDF reports with R

December 1, 2010
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How to create PDF reports with R

Sweave is a literate programming system included with R. It makes it possible to create a PDF document containing not just text, but also tables and charts generated from R. The process is automated, so once you've created an Sweave document (which includes both LaTeX text markup and R commands), you can create the formatted text and insert the...

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How to create PDF reports with R

December 1, 2010
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How to create PDF reports with R

Sweave is a literate programming system included with R. It makes it possible to create a PDF document containing not just text, but also tables and charts generated from R. The process is automated, so once you've created an Sweave document (which includes both LaTeX text markup and R commands), you can create the formatted text and insert the...

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R Workflow: Slides from a Talk at Melbourne R Users (1st Dec 2010)

December 1, 2010
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I gave a presentation at Melbourne R Userson the topic of R Workflow. The presentation covered R code organisation, and useful R related tools including Eclipse, StatET, Git, make, Sweave and LaTeX. Also, the slides from the presentation provide link...

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R Workflow: Slides from a Talk at Melbourne R Users (1st Dec 2010)

December 1, 2010
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I gave a presentation at Melbourne R Userson the topic of R Workflow. The presentation covered R code organisation, and useful R related tools including Eclipse, StatET, Git, make, Sweave and LaTeX. Also, the slides from the presentation provide link...

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Top 10 things that suck about Sweave

December 1, 2010
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Top 10 things that suck about Sweave

People rave about Sweave and the literate programing paradigm and I am guilty as charged. I speak Sweave, I think Sweave, I dream Sweave. As a matter of fact my default mode of operation is Sweave and anything else is an … Continue reading →

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RQuantLib 0.3.5

November 30, 2010
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The new RQuantLib release 0.3.5 is now on CRAN and in Debian. RQuantLib combines (some of) the quantitative analytics of QuantLib with the R statistical computing environment and language.Most of the changes were made two and four weeks ago: fir...

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Sweave Tutorial 3: Console Input and Output – Multiple Choice Test Analysis

November 30, 2010
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This post provides an example of using Sweave to perform an item analysis of a multiple choice test. It is designed as a tutorial for learning more about using Sweave in a mode where console input and output is displayed. Copies of all source code a...

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Sweave Tutorial 3: Console Input and Output – Multiple Choice Test Analysis

November 30, 2010
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This post provides an example of using Sweave to perform an item analysis of a multiple choice test. It is designed as a tutorial for learning more about using Sweave in a mode where console input and output is displayed. Copies of all source code a...

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Initializing the Holt-Winters method

November 29, 2010
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Initializing the Holt-Winters method

The Holt-Winters method is a popular and effective approach to forecasting seasonal time series. But different implementations will give different forecasts, depending on how the method is initialized and how the smoothing parameters are selected. In this post I will discuss various initialization methods. Suppose the time series is denoted by and the seasonal period

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