Blog Archives

The Power of ggplot2 in ArcGIS – The Plotting Toolbox

July 11, 2016
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The Power of ggplot2 in ArcGIS – The Plotting Toolbox

In this post I present my third experiment with R-Bridge. The plotting toolbox is a plug-in for ArcGIS 10.3.x that allows the creation of beautiful and informative plot, with ggplot2, directly from the ESRI ArcGIS console.As always I not only provide t...

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Time Averages of NetCDF files from ECMWF in ArcGIS with R-Bridge

July 8, 2016
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Time Averages of NetCDF files from ECMWF in ArcGIS with R-Bridge

With this post I would like to talk again about R-Bridge, which allows a direct communication between ArcGIS and R.In the previous post, I presented a very simple application of R-Bridge where I built a toolbox to perform k-means clustering on point sh...

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Combine ArcGIS and R – Clustering Toolbox

July 2, 2016
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Combine ArcGIS and R – Clustering Toolbox

Last year at the ESRI User Conference in San Diego, there was an announcement of an initiative to bridge ArcGIS and R. This became reality I think early this year with R-Bridge.Basically, ESRI has created an R library that is able to communicate and ex...

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Learning R for Data Visualization [Video]

April 25, 2016
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Learning R for Data Visualization [Video]

Last year Packt asked me to develop a video course to teach various techniques of data visualization in R. Since I love the idea of video courses and tutorials, and I also enjoy plotting data, I readily agreed.The result is this course, published last ...

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Wind Resource Assessment

December 31, 2015
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This is an article we recently published on "Renewable and Sustainable Energy Reviews". It starts with a thorough review of the methods used for wind resource assessment: from algorithms based on physical laws to other based on statistics, plus mixed m...

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Spatio-Temporal Kriging in R

August 27, 2015
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Spatio-Temporal Kriging in R

PrefaceI am writing this post more for reminding to myself some theoretical background and the steps needed to perform spatio-temporal kriging in gstat. This month I had some free time to spend on small projects not specifically related to my primary occupation. I decided to spend some time trying to learn this technique since it may become useful in...

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Organize a walk around London with R

June 21, 2015
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Organize a walk around London with R

The subtitle of this post can be "How to plot multiple elements on interactive web maps in R".In this experiment I will show how to include multiple elements in interactive maps created using both plotGoogleMaps and leafletR. To complete the work prese...

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Cluster analysis on earthquake data from USGS

June 1, 2015
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Cluster analysis on earthquake data from USGS

Theoretical BackgroundIn some cases we would like to classify the events we have in our dataset based on their spatial location or on some other data. As an example we can return to the epidemiological scenario in which we want to determine if the spread of a certain disease is affected by the presence of a particular source of...

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Live Earthquake Map with Shiny and Google Map API

May 27, 2015
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Live Earthquake Map with Shiny and Google Map API

In the post Exchange data between R and the Google Maps API using Shiny I presented a very simple way to allow communication between R and javascript using shiny.This is an example of a practical approach for which that same system can be used to create a useful tool to visualize seismic events collected from USGS in...

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Interactive maps of Crime data in Greater London

May 25, 2015
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Interactive maps of Crime data in Greater London

In the previous post we looked at ways to perform some introductory point pattern analysis of open data downloaded from Police.uk. As you remember we subset the dataset of crimes in the Greater London area, extracting only the drug related ones. Subseq...

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