2433 search results for "gis"

Webinar on integrating R with applications, March 16

March 15, 2011
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A quick reminder that Revolution Analytics' CTO David Champagne will be hosting a live webinar tomorrow (March 16) on Integrating R into 3rd Party and Web Applications Using RevoDeployR. Designed for application developers, this webinar will cover publishing R scripts to the RevoDeployR server, and integrating their results into Web applications, Microsoft Excel, JasperReports Server and more. Complete details...

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I’m late for π day

March 15, 2011
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I’m late for π day

It is officially no longer pi day, but I didn’t see this Drew Conway post about estimating pi until just a few minutes ago. Because Google Reader doesn’t show github embeds, I also got to try it without seeing Drew’s … Continue reading →

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Happy Pi Day, Now Go Estimate It!

March 14, 2011
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Happy Pi Day, Now Go Estimate It!

As you may know, today is Pi Day, when all good nerds take a moment to thank the geeks of antiquity for their painstaking work in estimating this marvelous mathematical constant. It is also a great opportunity to thank contemporary geeks for the wonders of modern computing, which allow us to estimate pi to near

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A quick look at #march11 / #saudi tweets

March 12, 2011
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A quick look at #march11 / #saudi tweets

Well, so much for that #march11 #Saudi day of rage.  Whether it was really the "tempest in a teacup" that  Prince Al-Waleed suggested on CNBC (video below, transcript here) or not, the oil complex and Saudi markets seem to have shrugged … Continue reading →

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sab-R-metrics: Multiple Regression and Interactions

March 12, 2011
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Last time, I covered ordinary least squares with a single variable. This time, I'll extend this to using multiple predictor variables in a regression, interacting terms in R, and start thinking about using polynomials of certain terms in the regression (like Age and Age Squared). This should be a pretty straight forward tutorial, especially if you've got...

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sab-R-metrics: Multiple Regression and Interactions

March 12, 2011
By

Last time, I covered ordinary least squares with a single variable. This time, I'll extend this to using multiple predictor variables in a regression, interacting terms in R, and start thinking about using polynomials of certain terms in the regression (like Age and Age Squared). This should be a pretty straight forward tutorial, especially if you've got...

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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...

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Comparing two-dimensional data sets in R; take II

March 10, 2011
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Comparing two-dimensional data sets in R; take II

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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Comparing two-dimensional data sets in R; take II

March 10, 2011
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Comparing two-dimensional data sets in R; take II

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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In case you missed it: February Roundup

March 9, 2011
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In case you missed them, here are some articles from February of particular interest to R users. Revolution R Enterprise 4.2 is now available to subscribers, and for free download to academics. A brief report from the Strata: Working with Data conference, and a comprehensive review from Ted Leung. A profile of prolific R contributor, Dirk Eddelbuettel. A list...

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