3612 search results for "GIS"

Public Universities Should Use Open Source Software

April 14, 2014
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Public Universities Should Use Open Source Software

(This article was first published on Econometrics by Simulation, and kindly contributed to R-bloggers) The Homeless Econometrician: Black Box Software Choosing to go open source is a big deal.  It means that when asking for help or new improvements you are dealing with a highly active and generous user community which enjoys helping instead of a corporation which needs...

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Regular expressions in R vs RStudio

April 14, 2014
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Regular expressions in R vs RStudio

The 'regex' family of languages and commands is used for manipulating text strings. More specifically, regular expressions are typically used for finding specific patterns of characters and replacing them with others. These technique have a range of applications and R's base installation has powerful regex tools (not to mention add-on packages for string manipulation such as stringr). Yet regex in R is cause of...

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Survey: Computing Your Own Post-Stratification Weights in R

April 13, 2014
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Social Science Goes R: Weighted Survey Data Survey Data: Computing Your Own Weights The second installment in my series on working with survey data in R explains how to compute your own post-stratification weights to use with survey data. For a more...

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R 3.1.0 is released!

April 10, 2014
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R 3.1.0 is released!

R 3.1.0 (codename “Spring Dance“) was released today! You can get the source code from http://cran.r-project.org/src/base/R-3/R-3.1.0.tar.gz or wait for it to be mirrored at a CRAN site nearer to you. Binaries for various platforms will appear in due course. The full list of new features and bug fixes is provided below. Upgrading to R 3.1.0 You can

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BARUG talks highlight R’s diverse applications

April 10, 2014
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BARUG talks highlight R’s diverse applications

by Joseph Rickert The seven lightning talks presented to the Bay Area useR Group on Tuesday night were not only really interesting (in some cases downright entertaining) in their own right, but they also illustrated the diversity of R applications, and the extent to which R has become embedded in the corporate world. Two presentations with a whimsical touch...

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Visualizing Twitter Followers Using Pointillism

April 10, 2014
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Visualizing Twitter Followers Using Pointillism

A funny thing about social media in the 21st century is that it allows us to connect with a lot of people.. by a lot, I mean so many that it's easy to lose track of any sense of scale. Maybe others are better at this, but...

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Annotation charts and histograms with googleVis

April 8, 2014
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After my posts on timeline, Sankey and calendar charts, this will be the last to introduce new chart types of the developer version of googleVis. Today I will give examples for the new annotation charts and histograms.Annotation chartsAnnotation charts...

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JMBayes R package (webinar)

April 8, 2014
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JMBayes R package (webinar)

A free webinar will provide an introduction to the “JMBayes” R package which provides methods for Joint Modeling of Longitudinal and Time-to-Event Data under a Bayesian Approach. Webinar Format: - Introduction to Joint Models and the JMBayes R package - … Continue reading →

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R jobs (April 7th 2014)

April 7, 2014
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R_jobs

Last month I announced the launch of, a new R jobs website for R users, called: R-users.com. My intention is to post new jobs on r-bloggers around twice a month. You are invited to use this link, to post new a R job (it’s free). Registration takes less than 10 seconds. Here are the new R jobs for 2014-04-07: Full-Time Staff Data ScientistBD...

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Author inflation in academic literature

April 6, 2014
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Author inflation in academic literature

There seems to be a general consensus that author lists in academic articles are growing. Wikipedia says so, and I’ve also come across a published letter and short Nature article which accept this is the case and discuss ways of … Continue reading →

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