2810 search results for "gis"

{stargazer} package for beautiful LaTeX tables from R statistical models output

January 14, 2013
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{stargazer} package for beautiful LaTeX tables from R statistical models output

stargazer is a new R package that creates LaTeX code for well-formatted regression tables, with multiple models side-by-side, as well as for summary statistics tables. Its latest version, released in early January 2013, can also output the content of data …Read more »

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analyze the health and retirement study (hrs) with r

January 14, 2013
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the hrs is the one and only longitudinal survey of american seniors.  with a panel starting its third decade, the current pool of respondents includes older folks who have been interviewed every two years as far back as 1992.  unlike cross-se...

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Restricted Boltzmann Machines in R

January 14, 2013
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Restricted Boltzmann Machines in R

Restricted Boltzmann Machines (RBMs) are an unsupervised learning method (like principal components). An RBM is a probabilistic and undirected graphical model. They are becoming more popular in machine learning due to recent success in training them with contrastive divergence. They have been proven useful in collaborative filtering, being one of the most successful methods...

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PART – A Rule-Learning Algorithm

January 11, 2013
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PART – A Rule-Learning Algorithm

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(not provided): Using R and the Google Analytics API

January 11, 2013
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(not provided): Using R and the Google Analytics API

For power users of Google Analytics, there is a heavy dose of spreadsheet work that accompanies any decent analysis.  But even with Excel in tow, it’s often difficult to get the data just right without resorting to formula hacks and manual table formatting.  This is where the Google Analytics API and R can come very (not provided): Using...

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New R User Group – Manchester R

January 11, 2013
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Mango Solutions announce the inaugural meeting of a new R user group in Manchester, UK.   Date:                      7th Feb 2013 Venue:                 Odder Bar, Manchester (14 Oxford Road, M1 5QA) http://oddbar.co.uk/odder Timings: ·         6:00 – 6:30 Getting started in R by Chris Campbell. A free pre-meeting workshop to give an introduction to R for complete beginners. ·         7:00 – 7:10 Welcome by...

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Shiny Apps

January 11, 2013
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Shiny Apps

I have been working on developing some interactive tools for demonstrating statistical principles. The advent of the shiny framework for R from the RStudio team has made this very easy to do. These demos are still in the development...

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Webinar Jan 24: Using R with Hadoop

January 10, 2013
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In two weeks (on January 24), Think Big Analytics' Jeffrey Breen will present a new webinar on using R with Hadoop. Here's the webinar description: R and Hadoop are changing the way organizations manage and utilize big data. Think Big Analytics and Revolution Analytics are helping clients plan, build, test and implement innovative solutions based on the two technologies...

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Stacked Bar Charts in R

January 10, 2013
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Stacked Bar Charts in R

Reshape Wide to LongLet's use the Loblolly dataset from the datasets package. These data track the growth of some loblolly pine trees.> Loblolly   height age Seed1    4.51   3  30115  10.89   ...

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Reading Codebook Files in R

January 10, 2013
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One issue I continuously encounter when starting to work with a new dataset is that of the codebook. In general, I prefer to load a codebook into R like any other data source, specifically as a data frame. And ideally, one data frame to provides the variable names with descriptions and any other meta data available, and a separate...

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