1247 search results for "tutorial"

user2013: The Rcpp tutorial

July 9, 2013
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user2013: The Rcpp tutorial

I’m at user 2013, and this morning I attended Hadley Wickham and Romain Francois’s tutorial on the Rcpp package for calling C++ code from R. I’ve spent the last eight years avoiding C++ afer having nightmares about obscure pointer bugs, so I went into the room slightly skeptical about this package. I think the most

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googleVis tutorial at useR!2013

July 9, 2013
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googleVis tutorial at useR!2013

Today Diego and I will give our googleVis tutorial at useR!2013 in Albacete, Spain.googleVis Tutorial at useR! 2013We will cover:Introduction and motivationGoogle Chart ToolsR package googleVisConcepts of googleVisCase studiesgoogleVis on shiny

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ggplot2 Chloropleth of Supreme Court Decisions: A Tutorial

July 4, 2013
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ggplot2 Chloropleth of Supreme Court Decisions: A Tutorial

I don't do much GIS but I like to. It's rather enjoyable and involves a tremendous skill set. Often you will find your self grabbing data sets from some site, scraping, data cleaning and reshaping, and graphing. On the ride … Continue reading →

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Natural language processing tutorial

June 25, 2013
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Natural language processing tutorial

Introduction This will serve as an introduction to natural language processing. I adapted it from slides for a recent talk at Boston Python. We will go from tokenization to feature extraction to creating a model using a machine learning algorithm. The goal is to provide a reasonable baseline on top of which more complex natural language processing can be...

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Natural Language Processing Tutorial

June 25, 2013
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Natural Language Processing Tutorial

Introduction This will serve as an introduction to natural language processing. I adapted it from slides for a recent talk at Boston Python. We will go from tokenization to feature extraction to creating a model using a machine learning algorithm. The goal is to provide a reasonable baseline on top of which more complex natural language processing can be done, and...

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ggplot Tutorial

June 21, 2013
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ggplot Tutorial

ggplot Tutorial I liked the following ggplot2 tutorial which is featured in Gabriela de Queiroz’s blog called unbiasedestimator. The tutorial looks very neatly presented and I’m sure that it will be very helpful to anyone just getting started with ggplot2 before they jump into ggplot2: Elegant Graphics for Data Analysis by Hadley Wickham or R Graphics Cookbook by...

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Mini-tutorial for Quandl: How to access financial data with R

June 12, 2013
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Mini-tutorial for Quandl: How to access financial data with R

by Joseph Rickert Quandl.com, the open source website for financial data, made rapid progress earlier this year in becoming an R friendly source for financial time series data. Tammer Kamel, Quandl’s founder introduced the site on Revolutions blog in late February as a “search engine” for numerical data and explained how Quandl’s “Q-bot” can take data from almost any...

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Box-plot with R – Tutorial

June 6, 2013
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Box-plot with R – Tutorial

Tutorials on git/github and GNU make

May 10, 2013
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Tutorials on git/github and GNU make

If you’re not using version control, you should be. Learn git. If you’re not on github, you should be. That’s real open source. To help some colleagues get started with git and github, I wrote a minimal tutorial. There are lots of git and github resources available, but I thought I’d give just the bare

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Stats in the Court Room Hands on Tutorial

April 29, 2013
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I got intrigued by the numbers presented in this news article talking about the re-trial in the Amanda Knox case. The defendants, accused and initially convicted of murder, were acquitted in the appeal's instance when the judge ruled that the forensic evidence was insufficiently conclusive. The appeals judge ignored the forensic scientist's advice to retest a DNA sample,...

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