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...
1469 search results for "map"
googleVis 0.4.3 released with improved Geocharts
Dave Harris on Maximum Likelihood Estimation
(This article was first published on Noam Ross - R, and kindly contributed to R-bloggers) At our last Davis R Users’ Group meeting of the quarter, Dave Harris gave a talk on how to use the bbmle package to fit mechanistic models to ecological data. Here’s his script, which I ran throgh the spin function in knitr: # Load...
Oracle R Connector for Hadoop 2.1.0 released
(This article was first published on Oracle R Enterprise, and kindly contributed to R-bloggers) Oracle R Connector for Hadoop (ORCH), a collection of R packages that enables Big Data analytics using HDFS, Hive, and Oracle Database from a local R environment, continues to make advancements. ORCH 2.1.0 is now available, providing a flexible framework while remarkably improving performance and...
Stashing and playing with raw data locally from the web
It is getting easier to get data directly into R from the web. Often R packages that retrieve data from the web return useful R data structures to users like a data.frame. This is a good thing of course to make things user friendly.
However, what if you want to drill down into the data that's returned from a query...
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 …
Simulating Map-Reduce in R for Big Data Analysis Using Flights Data
At datadolph.in, we are constantly crunching through large amounts of data. We are designing unique and innovative ways to process large datasets on a single node and use distributed computing only when single node computing become...
Sudoku Automation Solver Challenge – R
On a recent flight I was bored waiting for the plane to land and I tried out the electronic sudoku game that they had offered. I found the game surprisingly interesting as I realized that it is far more entertaining when you cannot use paper or p...
A list of R packages, by popularity
R package developer (and R-bloggers editor) Tal Galili just published the answers to a question many R users have asked: which are the most popular R packages? He wrote some R code to rank the top 100 packages by number of downloads. Here's the top 10: The source data are the download logs from the RStudio CRAN mirror, whose...
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...
More code and images from “Displaying time series, spatial and space-time data with R”
My book continues growing. I have recently completed the first version of the Spatio-Temporal visualization chapters. Moreover, a significant part …
Zero Inflated Models and Generalized Linear Mixed Models with R.
Zuur, Saveliev, Ieno (2012).
