3057 search results for "MAP"

The Sound Of Mandelbrot Set

February 11, 2014
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The Sound Of Mandelbrot Set

Music is the pleasure the human soul experiences from counting without being aware that it is counting (Gottfried Leibniz) I like the concept of sonification: translating data into sounds. There is a huge amount of contents in the Internet about this technique and there are several packages in R to help you to sonificate your

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oce runlm function

February 11, 2014
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oce runlm function

Introduction As was expected, the runderiv() function has been both useful and deficient. Useful because it offers a good replacement for smooth.spline() calculations of derivatives for things like N^2. And deficient because it only calculated derivatives, not values! Both an extension and a renaming were called for. The result is runlm(). Tests Below are the examples from its manpage, with...

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DailyMeteo.org – 2014 Conference

February 10, 2014
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DailyMeteo.org – 2014 Conference

Our friend Stefan has been participating in MilanoR since the beginning, and was one of the people who started using R intensively after the "Introduction to R" Quantide course. Since he is from Belgrade (Serbia), and takes part in the … Continue reading →

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rOpenSci developer meeting in March

February 10, 2014
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Our team has been cranking out a large number of tools over the past several months. As regular readers are aware, our software packages provide programmatic access to a diverse and extensive trove of scientific data. More recently we’ve expanded our efforts to build more general purpose and cross-domain tools. These include tools for reading, writing, integrating and publishing...

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N2 with runlm()

February 9, 2014
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N2 with runlm()

Introduction The default swN2() calculation in Oce uses a smoothing spline. One disadvantage of this is that few readers will know how it works. A possible alternative is to compute d(rho)/dz using the slope inferred from a running-window linear regression. Such a slope is provided by the new Oce function runlm(), which is tested here. (Note...

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In case you missed it: January 2014 roundup

February 5, 2014
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In case you missed them, here are some articles from January of particular interest to R users: Princeton’s Germán Rodríguez has published a useful “Introduction to R” guide, with a focus on linear and logistic regression. The rxDForest function in the RevoScaleR package fits random forests of histogram-binning trees. A tutorial on using the xts package to analyze and...

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Use Case: Spatial R & Google Earth for Terrain Analyses

February 5, 2014
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Use Case: Spatial R & Google Earth for Terrain Analyses

I'd like to share code that uses spatial R and Google Earth for terrain analyses. In this example I took SRTM data at 1" resolution from http://www.viewfinderpanoramas.org/dem3.html#alps read it into R did a little processing and finally wrapped it up ...

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Census Open Atlas Project Version Two

February 5, 2014
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Census Open Atlas Project Version Two

This time last year I published the first version of the 2011 Census Open Atlas which comprised Output Area Level census maps for each local authority district. This turned out to be quite a popular project, and I have also extended this to Japan. The methods used to construct the atlases have now been refined,...

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Census Open Atlas Project Version Two

February 4, 2014
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Census Open Atlas Project Version Two

This time last year I published the first version of the 2011 Census Open Atlas which comprised Output Area Level census maps for each local authority district. This turned out to be quite a popular project, and I have also extended this to Japan. The methods used to construct the atlases have now been refined,...

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Rcpp 0.11.0

February 3, 2014
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A new major release 0.11.0 of Rcpp is now on the CRAN network for GNU R and binaries for Debian have been uploaded as well. Before you read on, please note that this release will most likely require a reinstallation of all your packages using Rcpp...

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