3300 search results for "Map"

Twitter Pop-up Analytics

October 20, 2014
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Twitter Pop-up Analytics

IntroductionSo I've been thinking a lot lately. Well, that's always true. I should say, I've been thinking a lot lately about the blog. When I started this blog I was very much into the whole quantified self thing, because it was new to me, I liked the...

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Explore R package connections at MRAN

October 20, 2014
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Explore R package connections at MRAN

Many R scripts depend on CRAN packages, and most CRAN packages in turn depend on other CRAN packages. If you install an R package, you'll also be installing its dependencies to make it work, and possibly other packages as well to enable its full functionality. My colleague Andrie posted some R code to map package dependencies a couple of...

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meteoForecast 0.43: GFS, NAM, and RAP included

October 20, 2014
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meteoForecast 0.43: GFS, NAM, and RAP included

Some months ago I published the meteoForecast package, with functions to download data from the Meteogalicia and OpenMeteo NWP-WRF services. …Sigue leyendo →

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R User Groups and "after hours" Creativity

October 16, 2014
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R User Groups and "after hours" Creativity

by Joseph Rickert There is something about R user group meetings that both encourages, and nourshies a certain kind of "after hours" creativity. Maybe it is the pressure of having to make a presentation about stuff you do at work interesting to a general audience, or maybe it is just the desire to reach a high level of play....

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Beware Graphical Networks from Rating Scales without Concrete Referents

October 15, 2014
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Beware Graphical Networks from Rating Scales without Concrete Referents

We think of latent variables as hidden causes for the correlations among observed measures and rely on factor analysis to reveal the underlying structure. In a previous post, I borrowed an alternative metaphor from the R package qgraph and produce...

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Starting a GIS Investigation with R

October 13, 2014
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Starting a GIS Investigation with R

By Jian Li – Consultant, Shanghai. Geographical data is becoming increasingly important in understanding how we can predict and influence our impact on the world. Data on the location of individuals (be they migrating animals, humans stuck in traffic, or … Continue reading →

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Beautiful Curves: The Harmonograph

October 12, 2014
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Beautiful Curves: The Harmonograph

Each of us has their own mappa mundi (Gala, my indispensable friend) The harmonograph is a mechanism which, by means of several pendulums, draws trajectories that can be analyzed not only from a mathematical point of view but also from an artistic one. In its double pendulum version, one pendulum moves a pencil and the

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When to Use Stacked Barcharts?

October 11, 2014
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When to Use Stacked Barcharts?

Yesterday a few of us on Facebook’s Data Science Team released a blogpost showing how candidates are campaigning on Facebook in the 2014 U.S. midterm elections. It was picked up in the Washington Post, in which Reid Wilson calls us “data … Continue reading →

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2014 Metabolomic Data Analysis and Visualization Workshop and Tutorials

October 11, 2014
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2014 Metabolomic Data Analysis and Visualization Workshop and Tutorials

Recently I had the pleasure of teaching statistical and multivariate data analysis and visualization at the annual Summer Sessions in Metabolomics 2014, organized by the NIH West Coast Metabolomics Center. Similar to last year, I’ve posted all the content (lectures, labs and software) for any one to follow along with at their own pace. I also

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Waterfall and 3D plotting exploration

October 9, 2014
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Waterfall and 3D plotting exploration

Taking the very 'waterfall graph' code posted by Robert Grant I have added some features (resistance Overall I find the graphs produced from this code to be beautiful and fascinating though I am not sure if I would really use them as a form of data exp...

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