# Monthly Archives: March 2011

## Script for Geostatistics with R

March 11, 2011
By

I received requests for the script used during the tutorial.All the material is available in the main page of the course.However, in order to facilitate the availability of the scripts to all the viewers of this blog I've put the link to donwnload them...

## Script for Geostatistics with R

March 11, 2011
By

I received requests for the script used during the tutorial.All the material is available in the main page of the course.However, in order to facilitate the availability of the scripts to all the viewers of this blog I've put the link to donwnload them...

## ggheat : a ggplot2 style heatmap function

March 11, 2011
By

I hope the code here is fairly self-explanatory with the inset annotations. I feel this is just a bit 'prettier' than heatmap.2 and has for me the right balance of options and extensibility. I have also found it difficult to produce high quality plots...

## Programming Outside the Box: A Recursive Function in R

March 11, 2011
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I heard a talk given by Ruby creator Yukihiro Matsumoto where he was rambling about how he came about becoming a programming language developer. He mentioned an important milestone as being his grasp of the idea behind recursion. I've kept that in mind...

## Review: R Graphs Cookbook by Hrishi Mittal

March 11, 2011
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Summary: Very useful for reference while producing graphs, and very comprehensive (including heat-maps, 3D graphs and maps). Reference: Mittal, H. V., 2011, R Graph Cookbook, Packt Publishing, Birmingham, UK, 272 pages,  Publisher’s Website As a scientist I often need to plot graphs of my data, so I am keen to learn more about how to

## Copula Functions, R, and the Financial Crisis

March 10, 2011
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From: In defense of the Gaussian copula, The Economist"The Gaussian copula provided a convenient way to describe a relationship that held under particular conditions. But it was fed data that reflected a period when housing prices were not correlated to the extent that they turned out to be when the housing bubble popped."Decisions about...

## Analyzing big data with Revolution R Enterprise

March 10, 2011
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This post from Sherry LaMonica is the first in a series from members of the Revolution Analytics Engineering team — ed. Do you know about the big data capabilities in the RevoScaleR package, included with every Revolution R Enterprise installation? RevoScaleR provides a framework for fast and efficient multi-core processing of large data sets. You can visualize and model...

## Comparison of GISS LOTAs During 5 El Nino – La Nina Cycles

March 10, 2011
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In this post I compare GISS LOTAs during 5 El Nino – La Nina cycles (2010, 1998, 19883, 1973 and 1970). El Nino – La Nina Cycles In a previous post I showed the Nino 34 SSTA cycles for 2010, … Continue reading →

## An easier to use IV regression command in R

March 10, 2011
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Update: I have added some functionality to my ivregress() command. Check out my newer post here.After I posted my last video tutorial on how to use my IV regression function, I received a comment asking why I didn't write the command a different way t...

## Comparing two-dimensional data sets in R; take II

March 10, 2011
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David commented on yesterday's post and suggested to put the continuous fitted distribution in the background and the discrete, empirical distribution in the foreground. This looks quite nice, although there's a slight optical illusion that makes the c...

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