1036 search results for "LaTeX"

Introducing Biostatistics to first year LCG students

December 4, 2011
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Introducing Biostatistics to first year LCG students

Around two weeks ago I gave a talk via skype to the first year students from the Undergraduate Program on Genomic Sciences (LCG in Spanish) from the National Autonomous University of Mexico (UNAM in Spanish). The talk was under the context of the Introduction to Bioinformatics Seminar Series whose goal is to familiarize the new students with the bioinformatics...

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knitr: Elegant, flexible and fast dynamic report generation with R

December 1, 2011
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The world has changed. You can feel it on GitHub. You can smell it on Google+. The knitr package, as an alternative tool to Sweave, has features that you have been longing for, and features that you might have never imagined. Thumb through the PDF manu...

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knitr: Elegant, flexible and fast dynamic report generation with R

December 1, 2011
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The world has changed. You can feel it on GitHub. You can smell it on Google+. For those who have been struggling with Sweave, here comes the knitr package. It has features that you have been longing for, and features that you might have never imagined. Thumb through the PDF manual to see some of

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Review of Distance Course: Graduate Certificate in Statistics offered at Sheffield [completed: 3 June 2012]

December 1, 2011
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Recently, on Andrew Gelman's blog there was a discussion about how to get yourself a statistics education (presumably without going through the whole process of becoming a professional statistician). Here's the discussion on Gelman's blog, with lots of...

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mean of an absolute Student’s t

November 30, 2011
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mean of an absolute Student’s t

Having (rather foolishly) involved myself into providing an answer for Cross Validated: “Can the standard deviation of non-negative data exceed the mean?“, I ended up having to derive the mean of the absolute value of a Student’s variate X.  (Well, not really, but then I did.) I think the following is correct: where is the

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Predicting Gender

November 28, 2011
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Predicting Gender

If there are two (can be generalized to n) classes and both follow the same distribution (but with different parameters) it is possible to predict which class an observations comes from. Here I’ll try to predict a sample’s gender based on their height. The distribution of a person’s height is more or less normal. There

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Deductive imputation with the deducorrect package

November 26, 2011
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Deductive imputation with the deducorrect package

Missing data hinders statistical analyses. Estimating missing values (imputation) prior to analysis is one way to deal with that. In some cases however, the missings need not be estimated at all, since they can be derived with certainty from other … Continue reading →

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The ‘swst’ package to print statistical results in Sweave

November 23, 2011
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When I was making the slides for a lecture on using Sweave to incorporate R and LaTeX I was unpleasantly surprised at how tedious it can be to extract statistical values and print them in proper LaTeX code. For example, consider a … Continue reading →

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Interactive presentations with deck.js

November 20, 2011
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Interactive presentations with deck.js

Data analysis is often an iterative and interactive process. However, when I present about this subject, I feel often limited by the presentation software I use. It doesn't matter if I use LaTeX/PDF, PowerPoint or Keynote. In all cases it is either ver...

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Tikz absolute positioning

November 20, 2011
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When working with a tikz drawing within LaTeX document we might want to locate an object using an absoute position on the page rather than leaving LaTeX to make the decision for us. The use of nodes and the current.page label in conjunction with some other parameters attached to the tikz drawing will allow us

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