1703 search results for "time series"

Rcpp 0.9.0 announcement

December 25, 2010
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The text below went out as a post to the r-packages list a few days ago, but I thought it would make sense to post it on the blog too. So with a little html markup... Summary Version 0.9.0 of the Rcpp package is now on CRAN and its mirrors. Thi...

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How to buy a used car with R (part 2)

December 20, 2010
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How to buy a used car with R (part 2)

Continued from Part 1. Part 2: Digging into the Kelley Blue Book The only thing better than a bit of data is a lot of data. Now that we can grab KBB values for a given trim of a given model in a given year, we set our ambitions higher: automating the collection of these values for...

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How to buy a used car with R (part 2)

December 20, 2010
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How to buy a used car with R (part 2)

nStrict Standards: Non-static method StringParser_Node::destroyNode() should not be called statically, assuming $this from incompatible context in /afs/ir.stanford.edu/users/k/n/knoepfle/cgi-bin/flatpress/fp-plugins/bbcode/inc/stringparser.class.php on line 358Continued from Part 1.nnPart 2: Digging into the Kelley Blue BooknnThe only thing better than a bit of data is a lot of data. Now that we can grab KBB values for a given trim of...

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In case you missed it: November Roundup

December 17, 2010
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In case you missed them, here are some articles from November of particular interest to R users. Dirk Eddelbuettel and Romain Francois went to Google to talk about integrating R (using Rcpp, for example), and we gave a review of the video presentation. R co-creator Ross Ihaka wins a Lifetime Achievement Award in Open Source. Revolution has job openings...

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Visualizing Agricultural Subsidies by Kentucky County

December 12, 2010
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Visualizing Agricultural Subsidies by Kentucky County

In this post,  I provide results from my first full blown application of R to read, merge, clean, subset, manipulate, analyze and visualize data related to agricultural subsidies by Kentucky counties. This is very similar to the work I do on a daily basis, and was a great test of the capabilities of doing these tasks open source...

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R: Basic R Skills – Splitting and Plotting

December 10, 2010
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R: Basic R Skills – Splitting and Plotting

I am giving a short R course next year, so I am going to make a series of blog posts to help get my thoughts and example code in order. The aim is to introduce people with little or no experience of R to the language with self contained examp...

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R: Basic R Skills – Splitting and Plotting

December 10, 2010
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R: Basic R Skills – Splitting and Plotting

I am giving a short R course next year, so I am going to make a series of blog posts to help get my thoughts and example code in order. The aim is to introduce people with little or no experience of R to the language with self contained examp...

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Big Data Logistic Regression with R and ODBC

December 7, 2010
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Big Data Logistic Regression with R and ODBC

Recently I've been doing a lot of work with predictive models using logistic regression.  Logistic regression is great for determing probable outcomes of a independent binary target variable.  R is a great tool for accomplishing this task.&nb...

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Big Data Logistic Regression with R and ODBC

December 7, 2010
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Big Data Logistic Regression with R and ODBC

Recently I've been doing a lot of work with predictive models using logistic regression.  Logistic regression is great for determing probable outcomes of a independent binary target variable.  R is a great tool for accomplishing this task.&nb...

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Example 8.17: Logistic regression via MCMC

December 6, 2010
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Example 8.17: Logistic regression via MCMC

In examples 8.15 and 8.16 we considered Firth logistic regression and exact logistic regression as ways around the problem of separation, often encountered in logistic regression. (Re-cap: Separation happens when all the observations in a category sha...

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