4158 search results for "git"

How to set up a reproducible R project

June 3, 2013
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If you're thinking about starting a project (for example, a report or paper) using the R language for analysis, the Nice R code blog has some great advice. Following the principles of reproducible research, Macquarie University postdocs Rich FitzJohn and Daniel Falster suggest: Creating a directory structure to separate R code, data, reports, and output Treating data as read-only...

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Creating a zoomable map of tweets with R

June 3, 2013
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Creating a zoomable map of tweets with R

Languages tweeted around Germany: red, blue, green, yellow, grey are for German, French, English, Dutch and other  respectively. See here for a zoomable version.Motivated by the project twitter languages of New York I wanted to...

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Creating Jekyll blog posts from R.

June 3, 2013
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Creating Jekyll blog posts from R.

Adam Duncan Also avilable on R-bloggers.com Setting up a Jekyll/Jekyll Bootstrap blog site is a very worthwhile experience. Should you choose to use Jekyll as your blogging platform, you will find many resources out there describing the setup process. This post is not about getting set up using Jekyll or Jekyll Bootstrap. It’s about establishing a good workflow...

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A Few Tips for Writing an R Book

June 3, 2013
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A Few Tips for Writing an R Book

I just finished fixing (hopefully all) the problems in the knitr book returned from the copy editor. David Smith has kindly announced this book before I do. I do not have much to say about this book: almost everything in the book can be found in the on...

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Mapping a Revolution

June 1, 2013
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Mapping a Revolution

Twitter has become an important communications tool for political protests. While mass media are often censored during large-scale political protests, Social Media channels remain relatively open and can be used to tell the world what is happening and to mobilize support all over the world. From an analytic perspective tweets with geo information are

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Tweetanalytics – Interactively analyzing tweets from accounts of 5 universities

June 1, 2013
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Tweetanalytics – Interactively analyzing tweets from accounts of 5 universities

This is an attempt at learning and interactively displaying few results using twitter data using text mining. Interactivity is implemented using RStudio's shiny server. Their documentation of demo scripts came in very handy. As a non-user of twitter, I...

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Fylopic, an R wrapper to Phylopic

June 1, 2013
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Fylopic, an R wrapper to Phylopic

What is PhyloPic? PhyloPic is an awesome new service - I'll let the creator, Mike Keesey, explain what it is (paraphrasing here): PhyloPic stores silhouette images of organisms, and each image is associated with taxonomic names, and stores the taxonomy of all taxa, allowing searching by taxonomic names. Anyone can submit silhouettes to PhyloPic. What is a silhouette? It's like...

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Fylopic, an R wrapper to Phylopic

June 1, 2013
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Fylopic, an R wrapper to Phylopic

What is PhyloPic? PhyloPic is an awesome new service - I'll let the creator, Mike Keesey, explain what it is (paraphrasing here): PhyloPic stores silhouette images of organisms, and each image is associated with taxonomic names, and stores the taxonomy of all taxa, allowing searching by taxonomic names. Anyone can submit silhouettes to PhyloPic. What is a silhouette? It's like...

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How logistic regression work ?

May 31, 2013
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How logistic regression work ?

Discussing with a non statistician colleague, it seems that the logistic regression is not intuitive; Some basics questions like : - Why don't use the linear model? - What's logistic function? - How can we compute by hand, step by step t...

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Generating Nice Looking Tree Diagrams in R

May 31, 2013
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Generating Nice Looking Tree Diagrams in R

This function generates nice looking tree diagrams (see sample) below from tree objects (generated by package tree). This program is free software: you can redistribute it and/or modify it under the terms of the GNU General Public License as published by the Free Software Foundation, either version 3 of the License, or (at your option)

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