2774 search results for "gis"

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

January 11, 2013
By
(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...

Read more »

New R User Group – Manchester R

January 11, 2013
By

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...

Read more »

Shiny Apps

January 11, 2013
By
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...

Read more »

Webinar Jan 24: Using R with Hadoop

January 10, 2013
By

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...

Read more »

Stacked Bar Charts in R

January 10, 2013
By
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   ...

Read more »

Reading Codebook Files in R

January 10, 2013
By

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...

Read more »

Factor Analysis of Baseball’s Hall of Fame Voters

January 9, 2013
By
Factor Analysis of Baseball’s Hall of Fame Voters

Factor Analysis of Baseball's Hall of Fame VotersRecently, Nate Silver wrote a post which analyzed how voters who voted for and against Barry Bonds for Baseball's Hall of Fame differed. Not surprisingly, those who voted for Bonds were more likely to vote for other suspected steroids users (like Roger Clemens). This got...

Read more »

WordPress Stats in R

January 9, 2013
By
WordPress Stats in R

A trackback from Martin Hawksey’s recent post on Analysing WordPress post velocity and momentum stats with Google Sheets (Spreadsheet), which demonstrates how to pull WordPress stats into a Google Spreadsheet and generates charts and reports therein, reminded me of the WordPress stats API. So here’s a quick function for pulling WordPress reports into R. (Code

Read more »

Speeding up R computations Pt III: parallelization

January 8, 2013
By

In two previous posts, I have written about how you can speed up your R computations either by using strange notation and non-standard functions or by compiling your code. Last year my department bought a 64-core computational server, which allowed me ...

Read more »

Breaking the rules with spatial correlation

January 7, 2013
By
Breaking the rules with spatial correlation

Students in any basic statistics class are taught linear regression, which is one of the simplest forms of a statistical model. The basic idea is that a ‘response’ variable can be mathematically related to one or any number of ‘explanatory’ variables through a linear equation and a normally distributed error term. With any statistical tool,

Read more »