After being busy the last two weeks teaching and attending academic conferences, I finally found some time to do what I love, program data visualizations using R. After being interested in Shiny for a while, I finally decided to pull the trigger and build my first Shiny app! I wanted to make a proof of 
Yesterday, I was creating a knitr document based on a script, and was looking for a way to include content from an R help file. The script,...
As we believe you may know, we are having a webinar tomorrow (June 19th, 2013) on Predictive Analytics. During this webinar, you are going to be introduced to R,...
After months of work (although to be fair, we haven't worked 100% full time on this), Andrea and I are nearly ready to publish the next release of BCEA. Andrea...
library(raster)
library(rgdal)
alt gadm gadm_sub
plot(alt)
plot(gadm_sub, add=T)
asp slo
> extract(slo, gadm_sub, fun = mean, na.rm = T, small = T, df = T)
ID ...
I suppose most companies use the Microsoft Office suite of programs, and my office is no exception. It easy to import data from an API or a database into...
Here's a little r-script to convenientely download high quality digital elevation data, i.e. for the Alps, from HERE:
require(XML)
dir.create("D:/GIS_DataBase/DEM/")
setwd("D:/GIS_DataBase/DEM/")
doc urls names
for (i in 1:length(urls)) download.file(urls, names)
# unzip...
As those of you who read my last post know, I’m at the NIMBioS-CAMBAM workshop on linking mathematical models to biological data here at UT Knoxville. Day 1 (today)...
Sharon Machlis is not only the online managing editor at Computerworld, she's also a budding data scientist who recently started learning the R language. To the benefit of all...
This test is the first attempt to seriously assess the ability of individuals to survive a zombie apocalypse. This test is administered using the R powered open-source testing platform...
I just updated my short review on Bayesian computational tools I first wrote in April for the Annual Review of Statistics and Its Applications. The coverage is quite restricted,...
(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...
(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...
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...
for the unlucky among us born without a portuguese mother tongue, the pesquisa de orcamentos familiares (pof) translates to survey of household budgets. this data set captures brazilian family...
This post is about a practical application of a topic I discuss in my book. In my book, I prove …
I present you with my restructured project on options trading and scenario analysis. You are more than welcome to try it out. Firstly, I will give a small presentation...
Getting Expected Shortfall given the standard deviation or Value at Risk. Previously There have been a few posts about Value at Risk and Expected Shortfall. Properties of the stable...
Two weeks ago I described car data, among which weight distribution of cars in Netherlands. At that time it was purely plots. In the mean time I decided I wanted...
Some days ago H. Wickham (Chief Scientist of the RStudio company) posted an article about the RStudio CRAN mirror with …
Similar to the back propagation neural network, the general regression neural network (GRNN) is also a good tool for the function approximation in the modeling toolbox. Proposed by Specht...
(This article was first published on Memo's Island, and kindly contributed to R-bloggers) The creator of S language which R is derived from John Chambers said in one of...
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...
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...
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...
Interval estimation of the population mean can be computed from the functions of the following R packages:stats - contains the t.testTeachingDemos - contains the z.testBSDA - contains the zsum.test...
Bill Grosso presented a fascinating webinar about the video gaming industry today, Knowing How People are Playing Your Game Gives You the Winning Hand. He described how over the...
(This article was first published on Gianluca Baio's blog, and kindly contributed to R-bloggers) Inspired by this post on R-bloggers, I decided to check how BCEA was doing. Unfortunately,...
Zero Inflated Models and Generalized Linear Mixed Models with R.
Zuur, Saveliev, Ieno (2012).
