1540 search results for "Time series"

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...

Read more »

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...

Read more »

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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Méthodes de Monte-Carlo avec R

December 2, 2010
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Méthodes de Monte-Carlo avec R

The translation of the book Introducing Monte Carlo Methods with R is close to being completed. The copy-editing and page-setting are done, I have received the cover proposal and am happy with it, so it should now go to production and be ready by early January, (earlier than the tentative end of February indicated on

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Sweave Tutorial 3: Console Input and Output – Multiple Choice Test Analysis

November 30, 2010
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This post provides an example of using Sweave to perform an item analysis of a multiple choice test. It is designed as a tutorial for learning more about using Sweave in a mode where console input and output is displayed. Copies of all source code a...

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Sweave Tutorial 3: Console Input and Output – Multiple Choice Test Analysis

November 30, 2010
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This post provides an example of using Sweave to perform an item analysis of a multiple choice test. It is designed as a tutorial for learning more about using Sweave in a mode where console input and output is displayed. Copies of all source code a...

Read more »