1193 search results for "Tutorial"

R-bloggers in 2010: Top 14 R posts, site statistics and invitation for sponsors

January 1, 2011
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R-bloggers in 2010: Top 14 R posts, site statistics and invitation for sponsors

A year ago (on December 9th 2009), I wrote about founding R-bloggers.com, an (unofficial) online R journal written by bloggers who agreed to contribute their R articles to the site. In this post I wish to celebrate R-bloggers’ first birthday by sharing with you: Links to the top 14 posts of 2010 Reflections about the origin of R-bloggers Statistics

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Review: Statistical Analysis with R: Beginner’s Guide by John M. Quick

January 1, 2011
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Review: Statistical Analysis with R: Beginner’s Guide by John M. Quick

Summary: If you can get past the strange underlying story, then this gives a good introduction to R to someone with no programming experience. However, if you have any experience with other programming languages then another book is likely to be more suitable. Reference: Quick, J. M., Statistical Analysis in R: Beginners Guide, Packt Publishing,

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Introduction to ESS: talk and slides

December 17, 2010
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We had another meeting of the Chicago R User Group last evening. This was scheduled somewhat belatedly once we learned that Drew Conway would be in town. Drew gave a very nice talk about his brand new infochimps package (for accessing the eponymous i...

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Introduction to ESS: talk and slides

December 17, 2010
By

We had another meeting of the Chicago R User Group last evening. This was scheduled somewhat belatedly once we learned that Drew Conway would be in town. Drew gave a very nice talk about his brand new infochimps package (for accessing the eponymous i...

Read more »

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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New edition of “R Companion to Applied Regression” – by John Fox and Sandy Weisberg

December 10, 2010
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New edition of “R Companion to Applied Regression” – by John Fox and Sandy Weisberg

Just two hours ago, Professor John Fox has announced on the R-help mailing list of a new (second) edition to his book “An R and S Plus Companion to Applied Regression”, now title . “An R Companion to Applied Regression, Second Edition”. John Fox is (very) well known in the R community for many contributions to R, including the...

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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
By
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 »

Genetic optimization for Trading Strategies using Rapidminer and R

December 5, 2010
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Genetic optimization for Trading Strategies using Rapidminer and R

That is the second tutorial of Rapidminer and R extension for Trading and the first in Video. In the last example the ROC obtained is not as good as it should be to make money in this business, To improve the strategy we will try to optimize the trading strategy. Different methods of optimization and objective functions...

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Genetic optimization for Trading Strategies using Rapidminer and R

December 5, 2010
By
Genetic optimization for Trading Strategies using Rapidminer and R

That is the second tutorial of Rapidminer and R extension for Trading and the first in Video. In the last example the ROC obtained is not as good as it should be to make money in this business, To improve the strategy we will try to optimize the trading strategy. Different methods of optimization and objective functions...

Read more »