Articles by Fabio Veronesi

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

July 8, 2016 | 0 Comments

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 shapefiles. The purpose of that post was ...
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Combine ArcGIS and R – Clustering Toolbox

July 2, 2016 | 0 Comments

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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Combining ArcGIS and R – Clustering Toolbox

July 2, 2016 | 0 Comments

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 exchange data between ArcGIS and ...
[Read more...]

Learning R for Data Visualization [Video]

April 25, 2016 | 0 Comments

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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Learning R for Data Visualization [Video]

April 25, 2016 | 0 Comments

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 | 0 Comments

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 methods.In the second part of the manuscript we present ... [Read more...]

Spatio-Temporal Kriging in R

August 27, 2015 | 0 Comments

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 ... [Read more...]

Spatio-Temporal Kriging in R

August 27, 2015 | 0 Comments

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 ... [Read more...]

Organize a walk around London with R

June 21, 2015 | 0 Comments

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... [Read more...]

Cluster analysis on earthquake data from USGS

June 1, 2015 | 0 Comments

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 ... [Read more...]

Live Earthquake Map with Shiny and Google Map API

May 27, 2015 | 0 Comments

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 ... [Read more...]

Interactive maps of Crime data in Greater London

May 25, 2015 | 0 Comments

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... [Read more...]

Introductory Point Pattern Analysis of Open Crime Data in London

May 21, 2015 | 0 Comments

IntroductionPolice in Britain (http://data.police.uk/) not only register every single crime they encounter, and include coordinates, but also distribute their data free on the web.They have two ways of distributing data: the first is through an API, which is extremely easy to use but returns only a ... [Read more...]

Interactive maps for the web in R

May 15, 2015 | 0 Comments

Static MapsIn the last post I showed how to download economic data from the World Bank's website and create choropleth maps in R (Global Economic Maps).In this post I want to focus more on how to visualize those maps.Sp PackageProbably the simplest way... [Read more...]

Global Economic Maps

May 12, 2015 | 0 Comments

IntroductionIn this post I am going to show how to extract data from web pages in table format, transform these data into spatial objects in R and then plot them in maps.ProcedureFor this project we need the following two packages: XML and raster.The first package is used to ... [Read more...]

Exchange data between R and the Google Maps API using Shiny

May 10, 2015 | 0 Comments

A couple of years ago I wrote a post about using Shiny to exchange data between the Google Maps API and R: http://r-video-tutorial.blogspot.ch/2013/07/interfacing-r-and-google-maps.htmlBack then as far as I remember Shiny did not allow a direct exchange of data between javascript, therefore I had to improvise ... [Read more...]

Run Shiny app on a Ubuntu server on the Amazon Cloud

May 8, 2015 | 0 Comments

This guide is more for self reference than anything else.  Since I struggled for two days trying to find all the correct setting to complete this task, gathering information from several websites, I decided to write a little guide on this blog so ... [Read more...]

Extract values from numerous rasters in less time

May 7, 2015 | 0 Comments

These days I was working with a Shiny app for which the computation time is a big problem.Basically this app takes some coordinates, extract values from 1036 rasters for these coordinates and make some computations.  As far as I can (and please correct me if I'm wrong!) tell there are ... [Read more...]
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