2003 search results for "map"

Anthromes and UHI

March 12, 2012
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Anthromes and UHI

With BerkeleyEarth 1.6 posted to CRAN I figured it was time to do some sample programs to explain how the package worked and integrated with other packages. Also, I have some issues to check out with the metadata; and in the long run I want to reformulate my metadata package to include some new resources.

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Change in life expectancy animated with geo charts

March 12, 2012
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Change in life expectancy animated with geo charts

The data of the World Bank is absolutely amazing. I had said this before, but their updated iPhone App gives me a reason to return to this topic. Version 3 of the DataFinder App allows you to visualise the data on your phone, including motion maps, see...

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Hindi/Devanagari presentations using orgmode, R, latex and beamer

March 11, 2012
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I recently had to prepare a beamer presentation in hindi/devanagari. I usually use emacs-orgmode  with a lot of R source code embedded in it to prepare my beamer presentations. To adapt the entire setup to work with devanagari, this is what I needed to do.      Make orgmode export to latex using xetex rather than

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An RcppEigen example

March 11, 2012
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R is an Open Source project providing an interactive language and environment for statistical computing.  It has become the lingua franca for research in statistical methods.  Because R is an interpreted language it is comparat...

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Slides from today’s Big Data Step-by-Step Tutorials: Infrastructure series and Intro to R+Hadoop with RHadoop’s rmr

March 10, 2012
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Slides from today’s Big Data Step-by-Step Tutorials: Infrastructure series and Intro to R+Hadoop with RHadoop’s rmr

Slides from the Boston Predictive Analytics Big Data Workshop tutorials:Big Data Step-by-Step: Infrastructure 1/3: Local VM Big Data Step-by-Step: Infrastructure 2/3: Running R and RStudio on EC2 Big Data Step-by-Step: Infrastructure 3/3: Taking it to the cloud... easily... with Whirr Big Data Step-by-Step: Using R & Hadoop (with RHadoop's rmr package)

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Detour in taste wordclouds

March 10, 2012
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I read Mining Twitter for consumer attitudes towards hotels in my feed of R-bloggers. That reminded me that I intended to look at generating wordclouds for salt and MSG at some point. Salt, or sodium is linked to hypertension, which is linked...

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German train monitor provides access to train delay data

March 10, 2012
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German train monitor provides access to train delay data

The German newspaper Süddeutsche Zeitung (SZ) worked together with OpenDataCity to create an online train monitor of the German network: Zugmonitor. This is another great example of the new form of data journalism.The project provides access to data o...

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Mining Twitter for consumer attitudes towards hotels

March 9, 2012
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Mining Twitter for consumer attitudes towards hotels

Couple of months back I read Jeffrey Breen’s presentation on mining Twitter for consumer attitudes towards airlines, so I was just curious how it would look if I estimate the sentiment toward major hotels. So here it is: # load twitter library > library(twitteR) # search for all the hilton tweets > hilton.tweets=searchTwitter('@hilton',n=1500) > length(hilton.tweets)

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Philadelphia Schools

March 7, 2012
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Philadelphia Schools

I'm on spring break, and yesterday I took some time to check off some items on my to-do list, namely:Start getting acquainted with all the new features of ggplot2 .Get a handle on dealing with geographic data in R.I've done some furtive geographic...

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Setting Up and Customizing R

March 7, 2012
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For the longest time I resisted customizing R for my particular environment. My philosophy has been that each R script for each separate analysis I do should be self contained such that I can rerun the script from top to bottom on any machine and get the same results. This being said, I have now

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