2476 search results for "MAP"

plot textual differences in Shiny

February 21, 2013
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plot textual differences in Shiny

Wordclouds such as Wordle are pretty rubbish, so I thought I'd try to make a better one, one that actually produces (statistically) meaningful results. I was so happy with the outcome I decided to make it interactive, so go on, have a play!Compare any...

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Fixing My Internet With R and Python

February 20, 2013
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Fixing My Internet With R and Python

Last summer, I had some internet connectivity problems. Specifically, I would have massive latency issues that affected my conversations on Skype and my relatively pathetic under the best of circumstances efforts at online gaming. It was driving me up a wall and I couldn't figure it out. It hadn't...

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Better modelling and visualisation of newspaper count data

February 19, 2013
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Better modelling and visualisation of newspaper count data

<!-- Styles for R syntax highlighter In this post I outline how count data may be modelled using a negative binomial distribution in order to more accurately present trends in time series count data than using linear methods. I also show how to...

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Sketches Around Twitter Followers

February 19, 2013
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Sketches Around Twitter Followers

I’ve been doodling… Following a query about the possible purchase of Twitter followers for various public figure accounts (I need to get my head round what the problem is with that exactly?!), I thought I’d have a quick look at some stats around follower groupings… I started off with a data grab, pulling down the

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Data fishing: R and XML part 3

February 18, 2013
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Data fishing: R and XML part 3

I’ve recently posted two blogs about gathering data from web pages using functions in R. Both examples showed how we can create our own custom functions to gather data about Minnesota lakes from the Lakefinder website. The first post was an example showing the use of R to create our own custom functions to get

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Revisiting Cleveland’s The Elements of Graphing Data in ggplot2

February 18, 2013
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Revisiting Cleveland’s The Elements of Graphing Data in ggplot2

I was flipping through my copy of William Cleveland’s The Elements of Graphing Data the other day; it’s a book worth revisiting. I’ve always liked Cleveland’s approach to visualization as statistical analysis. His quest to ground visualization principles in the context of human visual cognition (he called it “graphical perception”) generated useful advice for designing Related posts:

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When SAP HANA met R – What’s new?

February 18, 2013
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When SAP HANA met R – What’s new?

Since I wrote my blog When SAP HANA met R - First kiss I had received a lot of nice feedback...and one those feedbacks was..."What's new?"...Well...as you might now SAP HANA works with R by using Rserve, a package that allows communication to an R Serv...

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Reshaping Horse Import/Export Data to Fit a Sankey Diagram

February 18, 2013
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Reshaping Horse Import/Export Data to Fit a Sankey Diagram

As the food labeling and substituted horsemeat saga rolls on, I’ve been surprised at how little use has been made of “data” to put the structure of the food chain into some sort of context* (or maybe I’ve just missed those stories?). One place that can almost always be guaranteed to post a few related

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Google Statistician uses R and other programming tools

February 16, 2013
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A great interview on the Simply Statistics blog with Google's Nick Chamandy, Phd in Statistics.  Explains that he mainly uses R among other tools to perform his work at Google.  Also of note is the active data science community within Google ...

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Version 1.0 of multilevelPSA Available on CRAN

February 14, 2013
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Version 1.0 of multilevelPSA Available on CRAN

Version 1.0 of multilevelPSA has been released to CRAN. The multilevelPSA package provides functions to estimate and visualize propensity score models with multilevel, or clustered, data. The graphics are an extension of PSAgraphics package by Helmreich and Pruzek. The example below will investigate the differences between private and public school internationally using the Programme of International Student Assessment...

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