714 search results for "maps"

ggplot2 Time Series Heatmaps

April 15, 2012
By
ggplot2 Time Series Heatmaps

How do you easily get beautiful calendar heatmaps of time series in ggplot2? E.g:From MarginTaleI was impressed by the lattice-based  implementation from Paul Bleicher of Humedica, which you can find referenced in http://blog.revolutionanalytics.c...

Read more »

Big Data, R and HANA: Analyze 200 Million Data Points and Later Visualize Using Google Maps

April 11, 2012
By
Big Data, R and HANA: Analyze 200 Million Data Points and Later Visualize Using Google Maps

Technologies: SAP HANA, R, HTML5, D3, Google Maps, JQuery and JSONFor this fun exercise, I analyzed more than 200 million data points using SAP HANA and R and then brought in the aggregated results in HTML5 using D3, JSON and Google Maps APIs.  Th...

Read more »

Geocode and reverse geocode your data using, R, JSON and Google Maps’ Geocoding API

March 20, 2012
By

Geocode and reverse geocode your data using, R, JSON and Google Maps' Geocoding APITo geocode and reverse geocode my data, I use Google's Geocoding service which returns the geocoded data in a JSON. I will recommend that you register with Google Maps A...

Read more »

Plot maps like a boss

March 5, 2012
By
Plot maps like a boss

A new package OpenStreetMap has been released to CRAN this week which is designed to allow you to easily add satellite imagery, or open street maps to your plots. Raster maps are a great way to add context to your spatial data with a minimum outlay of effort. The syntax in OpenStreetMap is fairly simple, just give

Read more »

The undiscovered country – a tutorial on plotting maps in R

February 25, 2012
By
The undiscovered country – a tutorial on plotting maps in R

The ability to handle maps and geospatial images is always a nice trick to have up your sleeve. Almost any sizeable report will contain a map – of a locality, of a country, or of the world. However, very few analysts have the ability to produce these plots for themselves and often resort to using...

Read more »

Creating beautiful maps with R

February 24, 2012
By
Creating beautiful maps with R

Spanish R user and solar energy lecturer Oscar Perpiñán Lamigueiro has written a detailed three-part guide to creating beautiful maps and choropleths (maps color-coded with regional data) using the R language. Motivated by the desire to recreate this graphic from the New York Times, Oscar describes how he creates similar high-quality maps using R. In Part 1, Oscar grabbed...

Read more »

Maps with R (III)

February 23, 2012
By
Maps with R (III)

In my previous posts (1 and 2) I wrote about maps with complex legends but without any kind of interactivity. …Continuar leyendo »

Read more »

Maps with R (II)

February 20, 2012
By
Maps with R (II)

In my my last post I described how to produce a multivariate choropleth map with R. Now I will show …Continuar leyendo »

Read more »

Maps with R (I)

February 18, 2012
By
Maps with R (I)

This is the first post of a short series to show some code I have learnt to produce maps with …Continuar leyendo »

Read more »

Great Maps with ggplot2

February 2, 2012
By
Great Maps with ggplot2

The above map (and this one) was produced using R and g

Read more »