Monthly Archives: April 2013

Old Price Tables in Modern d3 Visualization

April 1, 2013
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In my post Dust off 130 Year Old Gold Books on Google Bookshelf, I reproduced some of the old and way out of copyright price tables from the appendices in Gold and Prices Since 1873 by James Laurence Laughlin using latticeExtra xyplot. Now, with the clickme multiline d3 ractive built in my last post

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New Toy package wingui

April 1, 2013
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A new toy package that I have been playing with has just been submitted to CRAN.  I called it wingui.  It works off the original windows R GUI.  The idea is to be able to adjust the advanced attributes for the window through a reference object GUI.  Right now it only allows for changing the

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R User Groups Continue to Grow

April 1, 2013
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R User Groups Continue to Grow

by Joseph Rickert R user groups seem to be sprouting all over. Since last September we have noticed ten new groups worldwide: Auckland, New Zealand: Auckland-R-Users-Group (AKLRUG) had 33 people attend their March 8th meeting Chang Mai Thailand: Chang Mai is the first R user group in Thailand Durban, South Africa: The Durban R User Group is looking forward...

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Installing, Loading, and Detaching R Packages

April 1, 2013
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To install a package in R, the function to be used is install.packages. Let say we want to install the ggplot2 package, well simply code this withTo install more than one package, we do this byNote that in executing the above codes, a dialogue box...

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A nifty line plot to visualize multivariate time series

April 1, 2013
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A nifty line plot to visualize multivariate time series

A few days ago a colleague came to me for advice on the interpretation of some data. The dataset was large and included measurements for twenty-six species at several site-year-plot combinations. A substantial amount of effort had clearly been made to ensure every species at every site over several years was documented. I don’t pretend

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Updating R (on Windows) through a menu-bar: installr 0.9 released on CRAN

April 1, 2013
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Updating R (on Windows) through a menu-bar: installr 0.9 released on CRAN

In preparation for the upcoming release of R 3.0.0, a new release 0.9 of installr is now on CRAN. The package can be installed and loaded using: # installing/loading the package: if(!require(installr)) { install.packages("installr"); require(installr)} #load / install+load installr The …Read more »

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R Tackles Big Garbage

April 1, 2013
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R Tackles Big Garbage

April 1, 2013 – Although the capabilities of the R system for data analytics have been expanding with impressive speed, it has heretofore been missing important fundamental methods. A new function works with the popular plyr package to provide these missing … Continue reading →

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A pictorial history of US large cap correlation

April 1, 2013
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A pictorial history of US large cap correlation

How has the distribution of correlations changed over the last several years? Previously Posts about correlation boxplots explained Data Daily returns of 443 large cap US stocks from 2004 through 2012 were used.  The sample correlations — almost 98,000 of them — during each year were created. If we were actually using the correlations, then … Continue reading...

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The R-Podcast Episode 12: Using Version Control with R

April 1, 2013
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This is not an April Fool’s joke … The R-Podcast is back once again! In this episode, I discuss the concept of version control and how you can get started with using the Git VCS right now with your R projects. Also I discuss a big batch of listener feedback, and highlight a couple of

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