4036 search results for "git"

Object Orientation in R – Notes from a novice

January 25, 2013
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Object Orientation in R – Notes from a novice

Having posted some code to Git a few days ago and having been wholly dissatisfied with it, I began to do what I often do with code I don’t like. I started re-writing it bigger and weirder and more philosophically pure. Part of this search for Platonic code lead me to explore object oriented programming

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Resolving species names when you have a lot of them

January 25, 2013
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taxize use case: Resolving species names when you have a lot of them Species names can be a pain in the ass, especially if you are an ecologist. We ecologists aren't trained in taxonomy, yet we often end up with huge species lists. Of course we want to correct any spelling errors in the names, and get the newest...

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Resolving species names when you have a lot of them

January 25, 2013
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taxize use case: Resolving species names when you have a lot of them Species names can be a pain in the ass, especially if you are an ecologist. We ecologists aren't trained in taxonomy, yet we often end up with huge species lists. Of course we want to correct any spelling errors in the names, and get the newest...

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Time series cross-validation 5

January 24, 2013
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Time series cross-validation 5

The caret package for R now supports time series cross-validation!  (Look for version 5.15-052 in the news file).  You can use the createTimeSlices function to do time-series cross-validation with a fixed window, as well as a growin...

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Visualizing threaded conversation volume and intensity

January 24, 2013
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Visualizing threaded conversation volume and intensity

As a researcher interested in information flows in digital environments I’m often interested in finding patterns in social trace data. For this discussion we can think of digital social trace data as the text that people post into threaded topics on forums, like on Reddit or a Wiki Talk page on Wikipedia. One way to

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Storing a Function in a Separate File in R

January 24, 2013
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If you're going to be using a function across several different R files, you might want to store the function in its own file.If you want to name the function in its own fileThis is probably the best option in general, if only because you may want to p...

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Shiny, deSolve and ggplot play nicely together

January 24, 2013
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Shiny, deSolve and ggplot play nicely together

This is just a quick post (after a long absence) to quickly share my first Shiny attempt. The aim is to make available mechanistic models to coworkers through a web-based interface. I had planned to use RApache and RGTK+, but the arrival of Shiny has ...

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Working with R2MLwiN Part 1

January 24, 2013
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Working with R2MLwiN Part 1

Getting started with the R2MLwiN packageWith the release of the R2MLwiN package late 2012, R users have access to another software package for running Bayesian models using Markov chain Monte Carlo (MCMC) methods. R2MLwiN is an R command interface to MLwiN, allowing users to fit multilevel models using MLwiN from within the R environment.To use R2MLwiN, MLwiN needs to...

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Management of Research Data – a Shell+Python+Excel+R Approach

January 23, 2013
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Management of Research Data – a Shell+Python+Excel+R Approach

I am a computer science researcher, usually working on both Windows and Linux system. Windows is the place where I do the document work, like reading paper, browsing the internet, writing papers with LaTex… Linux is where I run and generate experimental results. The Chaos After years of messy data management and recent data chaos,

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Linear models summary sheet

January 23, 2013
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As part of my long slog towards statistical understanding, I started making notes on the very specific topic of linear models. The details are tricky and hard to keep in mind, and it is difficult to go back and forth between books and notes to try to r...

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