2250 search results for "MAP"

Data distillation with Hadoop and R

June 11, 2012
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Data distillation with Hadoop and R

We're definitely in the age of Big Data: today, there are many more sources of data readily available to us to analyze than there were even a couple of years ago. But what about extracting useful information from novel data streams that are often noisy and minutely transactional ... aye, there's the rub. One of the great things about...

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R becomes a critical tool in government departments

June 10, 2012
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R becomes a critical tool in government departments

Situation and Outlook for Primary Industries (2012) just published by New Zealand’s Ministry for Primary Industries (click to download page) demonstrates well that R is a limitless tool for analysis and graphing, and the capability of using R is growing in … Continue reading →

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An R function for finding coordinates of NZ localities

June 10, 2012
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Over the course of my PhD, I will be doing a fair amount of georeferencing. This involves obtaining geographic coordinates for localities where weevil specimens have been collected. When I'm the one who has collected them, this is fairly straightforward—Google Maps has made obtaining coordinates a breeze. When it's a museum specimen, however, things get a little tricky....

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I’m following you in Twitter…are you following me back?

If you spend some time on Twitter, you might have some followers and some people that you follow...the more time you spend, the more people you're going to interact with...Sometimes, you just realized that you're following some many people that might o...

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The world’s top seven airlines in the style of…

June 8, 2012
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The world’s top seven airlines in the style of…

The world’s top seven airlines in the style of NASA’s earth at night. (via Mapping the World’s Biggest Airlines | Spatial Analysis)

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RSMC 2011 Typhoon Tracks

June 8, 2012
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RSMC 2011 Typhoon Tracks

While at Puerto Princesa Airport in Palawan and waiting for my flight back to Manila, I opened my laptop and started doing what I usually do (practice may skills in R) on my idle time. With some inspirations from spatialanalysis.co.uk, I tried to make ...

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Earthquake Density in the Philippines (2011-2012)

June 7, 2012
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Earthquake Density in the Philippines (2011-2012)

 Using the same data and package from my previous post, but minor tweak on the code, I produced the map below:

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Choosing colour palettes. Part II: Educated Choices.

June 7, 2012
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Choosing colour palettes. Part II: Educated Choices.

There are many resources on the use of colours in R, several packages, and a number of schemes already implemented in ggplot2. In the previous part, we saw how ggplot2 selects a default colour palette according to the type of variable, discrete or cont...

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Poverty Incidence in the Philippines

June 6, 2012
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Poverty Incidence in the Philippines

Every three (3) years, the National Statistical Coordination Board (NSCB) publish data on provincial poverty incidence in the Philippines. Using R, I put the tabulated poverty incidence data into maps to check pattern and changes on the country's pr...

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Simulating the Birthday Problem with data derived probabilities

June 6, 2012
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Simulating the Birthday Problem with data derived probabilities

You've probably heard of the Birthday Paradox: it only takes a small gathering of people before it's quite likely that two of them share the same birthday. You can solve the problem analytically or with simulation, but usually in either case simplifying assumptions are made (no-one born on February 29, for example). Joe Rickert uses Revolution R Enterprise 6...

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