The Google Charts Tools provide two kinds of heat map charts for geographical data, the Flash based Geomap and the HTML5/SVG based Geochart.
I prefer the Geochart as it doesn't require Flash, but so far there have been two shortcomings with it: I couldn't add additional tooltip information and the default Mercator projection shows Greenland the...
533 search results for "Maps"
googleVis 0.4.3 released with improved Geocharts
The equivalence of the ellipsis argument and an infinite set of closures
This post is about a practical application of a topic I discuss in my book. In my book, I prove …
Top 100 R packages for 2013 (Jan-May)!
(This article was first published on R-statistics blog » RR-statistics blog, and kindly contributed to R-bloggers) What are the top 100 (most downloaded) R packages in 2013? Thanks to the recent release of RStudio of their “0-cloud” CRAN log files (but without including downloads from the primary CRAN mirror or any of the 88 other CRAN mirrors), we can now answer this question...
The Reorderable Data Matrix and the Promise of Pattern Discovery
We typically start with the data matrix, a rectangular array of rows and columns. If we type its name on the R command line, it will show itself. But the data matrix is hard to read, even when there are not many rows or columns. The heat map is a visual alternative. All you need is the R function...
Visualizing densities of spatial processes
We recently uploaded on http://hal.archives-ouvertes.fr/hal-00725090 a revised version of our work, with Ewen Gallic (a.k.a. @3wen) on Visualizing spatial processes using Ripley’s correction: an application to bodily-injury car accident location In this paper, we investigate (and extend) Ripley’s circumference method to correct bias of density estimation of edges (or frontiers) of regions. The idea of the method was theoretical...
R2leaflet (v0.1) – make interactive online maps from R
I have been working on a simple R function to take latitude and longitude of points of interest, and text for pop-up labels, and produce an interactive online map. Interactive graphics are incredibly useful in getting people interested in your … Continue reading →
Better Neighborhoods with R: Exploring and Analyzing SeeClickFix Data (part 1)
Better Neighborhoods with R: Exploring and Analyzing SeeClickFix Data (part 1) The National Day of Civic Hacking took place …
Crayfish or crawdad? Mapping US dialect variations with R
I grew up in Australia, where I learned to speak English. Or so I thought: when I moved overseas to the UK, and especially when I moved to the States, I soon learned these are distinct cultures separated by a common language. Words which I previously had no context for being different anywhere else, such as "runners" ("sneakers"), "lemonade"...
A Shiny App Goes Viral
I am not sure how many of you have seen this Business Insider article. It is basically about a shiny app created by Joshua Katz as NC State. It is really fun playing with shiny app.With nearly a million facebook likes this web app buil...
Flotsam 12: early June linkathon
A list of interesting R/Stats quickies to keep the mind distracted: A long draft Advanced Data Analysis from an Elementary Point of View by Cosma Shalizi, in which he uses R to drive home the message. Not your average elementary … Continue reading →
Zero Inflated Models and Generalized Linear Mixed Models with R.
Zuur, Saveliev, Ieno (2012).
