Monthly Archives: January 2014

Introduction to parallel computing in R

January 31, 2014
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For R beginners, for loop is an elementary flow-control device that simplifies repeatedly calling functions with different parameters. A possible block of code is like this: run <- function(i) { return((i+1)/(i^2+1)) } for(i in 1:100) { run(i) } In this code, we first define a function that calculates something, and then run the function from i = 1 to i = 100....

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Introduction to parallel computing in R

January 31, 2014
By

For R beginners, for loop is an elementary flow-control device that simplifies repeatedly calling functions with different parameters. A possible block of code is like this: run <- function(i) { return((i+1)/(i^2+1)) } for(i in 1:100) { run(i) } In this code, we first define a function that calculates something, and then run the function from i = 1 to i = 100....

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Access Google Spreadsheet directly in bash and in R

January 31, 2014
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Google Doc is a good way to share/manage documents between you and your colleagues, but sometime you want to directly access the data in terminal (e.g. bash) or in program (e.g. R), without downloading the data first. For example, I have a Google Spre...

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Princeton’s guide to linear modeling and logistic regression with R

January 31, 2014
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Princeton’s guide to linear modeling and logistic regression with R

If you're new to the R language but keen to get started with linear modeling or logistic regression in the language, take a look at this "Introduction to R" PDF, by Princeton's Germán Rodríguez. (There's also a browsable HTML version.) In a crisp 35 pages it begins by taking you through the basics of R: simple objects, importing data,...

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Stick Figure Function Fun – R

January 31, 2014
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Stick Figure Function Fun – R

I have created a stick figure generating function for the purposes of adding a human figure as a demonstration of scale to some of my graphs as well as potentially emoticons to my shiny/concerto applications.You can change basic graphing parameters li...

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ShareLaTeX now supports knitr

January 31, 2014
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ShareLaTeX (click here to register a free account) is a wonderful and reliable on-line editor for writing and compiling LaTeX documents “in the cloud” as well as working together in real-time (imagine Google Docs supporting LaTeX => you get ShareLaTeX).…Read more ›

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Need to do a simulation study on a Bayesian model? Use Stan.

January 31, 2014
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Need to do a simulation study on a Bayesian model? Use Stan.

I’ve been looking into a particular Bayesian meta-analysis model of late. Can’t tell you any more right now of course, but I wanted to check that it was throwing up sensible results and then compare it to classical MA methods. … Continue reading →

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R editor improvements for Bio7

January 31, 2014
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R editor improvements for Bio7

30.01.2014 For the next release of Bio7 based on Eclipse 4.4 an improvement of the R editor for a much better editing experience of R scripts will be available. The integrated editor itself is built bottom-up (based upon an Eclipse editor editor template) although there a great editor frameworks (DLTK) or frameworks to develop programming

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State of the Union Speech Comparison

January 30, 2014
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State of the Union Speech Comparison

The State of the Union is historically a speech used to set the tone for the year...at least I think that's what it is.  The process of writing these speeches has been discussed before and first-hand detail is available in this article. &nbsp...

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Automatic time series forecasting in Granada

January 30, 2014
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In two weeks I am presenting a workshop at the University of Granada (Spain) on Automatic Time Series Forecasting. Unlike most of my talks, this is not intended to be primarily about my own research. Rather it is to provide a state-of-the-art overview of the topic (at a level suitable for Masters students in Computer Science). I thought I’d provide...

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