1269 search results for "excel"

Object Oriented Programming in R

January 20, 2012
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As someone who was a Java programmer for many years learning R’s object oriented programming framework has been frustrating to say the least. I like the simplicity of S3 but find it limiting when you wish to write methods that change the underlying data elements. That is, printing, summarizing, and plotting work great because they

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Object Oriented Programming in R

January 20, 2012
By

As someone who was a Java programmer for many years learning R’s object oriented programming framework has been frustrating to say the least. I like the simplicity of S3 but find it limiting when you wish to write methods that change the underlyi...

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Object Oriented Programming in R

January 20, 2012
By

As someone who was a Java programmer for many years learning R’s object oriented programming framework has been frustrating to say the least. I like the simplicity of S3 but find it limiting when you wish to write methods that change the underlyi...

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Winning from losing

January 19, 2012
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Winning from losing

By following twitter’s #rstats hashtag (rss feed), I recently came across a very interesting R-related blog: datanalytics.com. The first post I read from it was about setting up an on-line reading group to go through the excellent “The Elements of … Continue reading →

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Analyzing Federal Government Bailout Recipients in R

January 19, 2012
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Analyzing Federal Government Bailout Recipients in R

I was searching for open data recently, and stumbled on Socrata. Socrata has a lot of interesting data sets, and while I was browsing around, I found a data set on federal bailout recipients. Here is the data set. However, data sets on Socrata are not always the most recent versions, so I followed a...

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Analyzing Federal Bailout Recipients in R

January 19, 2012
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Analyzing Federal Bailout Recipients in R

I was searching for open data recently, and stumbled on Socrata. Socrata has a lot of interesting data sets, and while I was browsing around, I found a data set on federal bailout recipients. Here is the data set. However, data sets on Socrata are not always the most recent versions, so I followed a link to...

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Quick Introduction to ggplot2

January 17, 2012
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Quick Introduction to ggplot2

For a much better looking version of this post (where code is actually readable!), see this Github repository, which also contains some of the example datasets I use and a literate programming version of this tutorial. Introduction This is a bare-bones introduction to ggplot2, a visualization package in R. It assumes no knowledge of R

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Statistical Methods for the Chain Ladder Technique Revisited

January 15, 2012
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Statistical Methods for the Chain Ladder Technique Revisited

Statistical Methods for the Chain Ladder Technique Revisited: Source: Statistical Methods for the Chain Ladder Technique Demo Background Forecasting outstanding claims and setting up suitable reserves to meet these claims is an important part of the b...

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‘S Poetry’ and ‘The R Inferno’: Hardcopies on Sale

January 12, 2012
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Patrick Burns' informative and entertaining books for R programmers, 'S Poetry' and 'The R Inferno', which have long been available as free downloads, are now available in an attractive hardcover format from Lulu Press and are on 25% sale through the end of January (use discount code LULUBOOKUK305). 'S Poetry', although written more than a dozen years ago for...

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R is a language

January 11, 2012
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A commenter on this blog reminded me of one of the frustrating aspects faced by newbies, not only to R but to any other programming environment (I am thinking of typical students doing stats for the first time). The statement … Continue reading →

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