446 search results for "knitr"

Update to metvurst

August 23, 2013
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Update to metvurst

Here's a quick update to metvurst in response to some issues encountered over the last weeks. The most important change is that the strip() function now returns the plot object rather than printing it. This means that we can work … Continue reading →

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Rcmdr version 2.0-0 now on CRAN

August 23, 2013
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Rcmdr version 2.0-0 now on CRAN

Guest post by John Fox (based on his announcement in the mailing list) Dear R-help list members, Version 2.0-0 of the Rcmdr package is now on CRAN and should appear presently on the various CRAN mirrors. As its number implies, this version represents a milestone in the development of the package, which first appeared on CRAN more than 10 years ago. The...

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Electronic lab notebook

August 20, 2013
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Electronic lab notebook

I was interested to read C. Titus Brown‘s recent post, “Is version control an electronic lab notebook?” I think version control is really important, and I think all computational scientists should have something equivalent to a lab notebook. But I think of version control as serving needs orthogonal to those served by a lab notebook.

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XML in R – A (German) tutorial / XML in R – ein Tutorial auf Deutsch

August 9, 2013
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I used knitr to hack together a very short tutorial about XML in R.It's in German. And it's not very long. But, hey, it's free :)I hope it can be of help to someone who wants to get started with XML processing in R.Please feel free to post or send any ...

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Bio7 1.7 for Windows Released!

August 8, 2013
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Bio7 1.7 for Windows Released!

07.08.2013 A new Windows version of Bio7 is available. This version comes with a lot of new features and improvements for Java, R and ImageJ. One highlight is that you can now interpret Jython (Python) code with Bio7. In addition a new console implementation is available which offers access to a native shell, different Java

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Orthogonal Partial Least Squares (OPLS) in R

July 28, 2013
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Orthogonal Partial Least Squares (OPLS) in R

I often need to analyze and model very wide data (variables >>>samples), and because of this I gravitate to robust yet relatively simple methods. In my opinion partial least squares (PLS) is a particular useful algorithm. Simply put, PLS is an extension of principal components analysis (PCA), a non-supervised  method to maximizing  variance explained in X,

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Creating Catch Data from Individual Length Measurements II

July 26, 2013
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Creating Catch Data from Individual Length Measurements II

Note that this is largely a repeat of a previous post (except that I have added a few plots at the bottom) as I am experimenting with being able to write posts here directly from R using the knit2wp() function … Continue reading →

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My first Bioconductor conference (2013)

July 21, 2013
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My first Bioconductor conference (2013)

The BioC 2013 conference was held from July 17 to 19. I attended this conference for my first time, mainly because I'm working at the Fred Hutchinson Cancer Research Center this summer, and the conference venue was just downstairs! No flights, no hotel...

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Modeling Match Results in La Liga Using a Hierarchical Bayesian Poisson Model: Part one.

July 21, 2013
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Modeling Match Results in La Liga Using a Hierarchical Bayesian Poisson Model: Part one.

This is a slightly modified version of my submission to the UseR 2013 Data Analysis Contest which I had the fortune of winning :) The purpose of the contest was to do something interesting with a dataset consisting of the match results from the last five seasons of La Liga, the premium Spanish football (aka soccer) league. In...

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Getting Started with Reproducible Research: A chapter from my new book

July 15, 2013
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Getting Started with Reproducible Research: A chapter from my new book

(This article was first published on Christopher Gandrud (간드루드 크리스토파), and kindly contributed to R-bloggers) This is an abridged excerpt from Chapter 2 of my new book Reproducible Research with R and RStudio. It's published by Chapman & Hall/CRC Press. You can purchase it on Amazon. "Search inside this book" includes a complete table of contents. Researchers often start...

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