3151 search results for "map"

Plot Me Like a Hurricane (a.k.a. animating historical North Atlantic basin tropical storm tracks)

October 7, 2014
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Markus Gessman (@MarkusGesmann) did a beautiful job Visualising the seasonality of Atlantic windstorms using small multiples, which was inspired by both a post by Arthur Charpentier (@freakonometrics) on using Markov spatial processes to “generate” hurricanes—which was tweaked a bit by Robert Grant (@robertstats)—and Gaston Sanchez‘s Visualizing Hurricane Trajectories RPub. I have some history with hurricane

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Part 2 of Who We Are: Society for Judgment and Decision Making (SJDM)

October 7, 2014
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Part 2 of Who We Are: Society for Judgment and Decision Making (SJDM)

An analysis of where the SJDM members are from in the world. The post Part 2 of Who We Are: Society for Judgment and Decision Making (SJDM) appeared first on Decision Science News.

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Visualising the seasonality of Atlantic windstorms

October 7, 2014
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Visualising the seasonality of  Atlantic windstorms

Last week Arthur Charpentier sketched out a Markov spatial process to generate hurricane trajectories. Here, I would like to take another look at the data Arthur used, but focus on its time component. According to the Insurance Information Institute, a normal season, based on averages from 1980 to 2010, has 12 named storms, six hurricanes and...

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Moving Beyond CTR: Better Recommendations Through Human Evaluation

October 6, 2014
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Moving Beyond CTR: Better Recommendations Through Human Evaluation

Imagine you're building a recommendation algorithm for your new online site. How do you measure its quality, to make sure that it's sending users relevant and personalized content? Click-through rate may be your initial hope…but after a bit of thought, it's not clear that it's the best metric after all. Take Google's search engine. In many cases, improving the quality...

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multiple annotation in ChIPseeker

October 1, 2014
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multiple annotation in ChIPseeker

Nearest gene annotation Almost all annotation software calculate the distance of a peak to the nearest TSS and assign the peak to that gene. This can be misleading, as binding sites might be located between two start sites of different genes or hit different genes which have the same TSS location in the genome. Read More:...

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Transparent hurricane paths in R

October 1, 2014
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Transparent hurricane paths in R

Arthur Charpentier has written a really nice blog post about obtaining hurricane tracks and plotting them. He then goes on to do other clever Markov process models, but as a dataviz guy who knows almost nothing about meteorology, I want to … Continue reading →

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Generating Hurricanes with a Markov Spatial Process

September 30, 2014
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Generating Hurricanes with a Markov Spatial Process

The National Hurricane Center (NHC) collects datasets with all  storms in North Atlantic, the North Atlantic Hurricane Database (HURDAT). For all sorms, we have the location of the storm, every six jours (at midnight, six a.m., noon and six p.m.). Note that we have also the date, the maximal wind speed – on a 6 hour window – and...

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Syrian Refugee Settlement Clinic Locations

September 30, 2014
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Syrian Refugee Settlement Clinic Locations

Previously I posted about the location of refugee settlements and how that had grown in density over time as well as in numbers.  As many NGOs and non-profits work in the area, they are providing much needed assistance to the people living around ...

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TURF Analysis: A Bad Answer to the Wrong Question

September 29, 2014
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TURF Analysis: A Bad Answer to the Wrong Question

Now that R has a package performing Total Unduplicated Reach and Frequency (TURF) Analysis, it might be a good time to issue a warning to all R users. DON'T DO IT!The technique itself is straight out of media buying from the 1950s. Given some number of...

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A bioinformatics walk-through: Accessing protein-protein interaction interfaces for all known protein structures with PDBe PISA

September 28, 2014
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A bioinformatics walk-through: Accessing protein-protein interaction interfaces for all known protein structures with PDBe PISA

If this summer’s posting became a little infrequent, part of the blame lies with computational research I’ve been working on, regarding the systems biology of chromosomal translocations and the ensuing chimeric proteins at the Medical Research Council Laboratory of Molecular Biology in Cambridge. A sizeable part of bioinformatics ‘dry lab’ work falls into what has been described in the 

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