3557 search results for "git"

Follow-Up: Making a Word Cloud for a Search Result from GScholar_Scraper_3.1

August 30, 2012
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Follow-Up: Making a Word Cloud for a Search Result from GScholar_Scraper_3.1

Here's a short follow-up on how to produce a word cloud for a search result from GScholarScraper_3.1:# File-Name: GScholarScraper_3.1.R# Date: 2012-08-22# Author: Kay Cichini# Email: [email protected]# Purpose: Scrape Google Scholar search result# ...

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Three ways of visualizing the growth of Walmart

August 30, 2012
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Three ways of visualizing the growth of Walmart

It's a wonderful thing when people make interesting data sets available to the public. When Thomas Jones wrote a paper in Econometrics about the growth of US retail giant Walmart, he made the data he collected about every Walmart store opening in history (location and date) available to the public. Since then, several people have used different techniques to...

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Making matrices with zeros and ones

August 30, 2012
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So I was trying to figure out a fast way to make matrices with randomly allocated 0 or 1 in each cell of the matrix. I reached out on Twitter, and got many responses (thanks tweeps!).Here is the solution I came up with. See if you can tell why it...

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Another Great Google Summer of Code 2012 R Project

August 30, 2012
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Another Great Google Summer of Code 2012 R Project

Tradeblotter announced the very nice features that will be added to the PerformanceAnalytics package as a result of the Google Summer of Code (GSOC) 2012 project: “…Matthieu commenced to produce dozens of new functions, extend several more existin...

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F1 2012 Mid-Season Review

August 30, 2012
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F1 2012 Mid-Season Review

Rather belatedly, I got around to posting a series of posts summarising the Formula One season to date: F1 2012 Mid-Season Review – Grid/Classification Analysis: for example, how do the drivers’ grid and final classifications compare? F1 2012 Mid-Season Review – Pit Stops: for example, how does pit stop performance across the teams compare? F1

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Generate simple HTML slides using deck.js and markdown

August 29, 2012
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RStudio and knitr are an excellent conbination for generating dynamic reports. But in this blog, I will show you how to generate HTML-style presentaion using R only.OK, I confess that we still need something else: deck.js and markdown and R.utils. ...

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googleVis — NASA’s exploration of Mars

August 29, 2012
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googleVis — NASA’s exploration of Mars

After generating a few interactive charts with googleVis, I realized that it’s a great way to visualize numeric data, especially multi-dimentional data. Days ago, my colleague sent me a picture taken by Curiosity from Mars. He was crazy about it … Continue reading →

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Setting Up the Development Version of R

August 28, 2012
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My coworkers at Fred Hutchinson regularly use the development version of R (i.e., R-devel) and have urged me to do the same. This post details how I have set up the development version of R on our Linux server, which I use remotely because it is much faster than my Mac.First, I downloaded the R-devel source into ~/local/, which...

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Newton-Raphson can compute an average

August 28, 2012
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Newton-Raphson can compute an average

In our article How robust is logistic regression? we pointed out some basic yet deep limitations of the traditional full-step Newton-Raphson or Iteratively Reweighted Least Squares methods of solving logistic regression problems (such as in R‘s standard glm() implementation). In fact in the comments we exhibit a well posed data fitting problem that can notRelated posts:

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m x n matrix with randomly assigned 0/1

August 28, 2012
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m x n matrix with randomly assigned 0/1

Today Scott Chamberlain tweeted asking for a better/faster solution to building an m x n matrix with randomly assigned 0/1. He already had a working version: Now, I’m the first to acknowledge that I’ve never got the ‘apply’ family of … Continue reading →

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