1386 search results for "tutorial"

Twitter Twitter on the Web, Who is the Most Popular of All? Interactively Determining Popularity of Two Entitites on Twitter

June 12, 2013
By
Twitter Twitter on the Web, Who is the Most Popular of All? Interactively Determining Popularity of Two Entitites on Twitter

Code updated based on feedback (see list of changes at the very end)Okay, that was a take on the mirror mirror on the wall quote from Snow White. This continues my saga of learning from the superb work done by the R-community and building on their...

Read more »

Plotting average read and write operation size by ASM disk for Oracle

June 12, 2013
By
Plotting average read and write operation size by ASM disk for Oracle

  Throughput, throughput, throughput – for many databases, this is the performance measure of importance.  When you are working with a fixed number of IOPS but see mixed workload types, system health can be assessed through the average read and…Read more ›

Read more »

Introducing GTrendsR

June 12, 2013
By

Just another R blog has beed added to r-bloggers!In a paper, to be soon published in Conservation Biology and entitle Googling trends in conservation biology, we developed a package named GTrendsR that provides an interface for retrieving and displaying the information returned online...

Read more »

Survey on R and education

June 12, 2013
By
Survey on R and education

Main takeaways from the survey on R in education There is a need to train students in R since large majority of respondents (using R professionally) expect its market share to further increase. Large interest from both academics and students in online interactive R and statistics courses. Highest interest in free courses and only small

Read more »

New book: Seamless R and C++ Integration with Rcpp

June 11, 2013
By
New book: Seamless R and C++ Integration with Rcpp

A new book from Dirk Eddelbuettel, co-author of the Rcpp package, is now available. Seamless R and C++ Integration with Rcpp can be ordered from Springer and from Amazon. The book provides the first comprehensive introduction to Rcpp, the R package that makes it easy to integrate C++ code with R and speed up R code. If you haven't...

Read more »

Rickshaw d3.js from R with rCharts

June 11, 2013
By

Shutterstock’s open source Rickshaw provides a very nice tutorial to get started building interactive time series d3.js charts with Rickshaw.  I just could not resist rebuilding the tutorial but this time ENTIRELY in R with the amazing packages slidify and rCharts.  I have embedded the tutorial below,...

Read more »

Better Neighborhoods with R: Exploring and Analyzing SeeClickFix Data (part 1)

June 9, 2013
By
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 …Continue reading »

Read more »

Mahout for R Users

June 9, 2013
By
Mahout for R Users

I have a few posts coming up on Apache Mahout so I thought it might be useful to share some notes. I came at it as primarily an R coder with some very rusty Java and C++ somewhere in the back of my head so that will be my point of reference. I’ve also included … Continue reading...

Read more »

Quartiles, Deciles, and Percentiles

June 9, 2013
By

The measures of position such as quartiles, deciles, and percentiles are available in quantile function. This function has a usage,where:x - the data pointsprob - the location to measurena.rm - if FALSE, NA (Not Available) data points are not ignoredna...

Read more »

IntR – Interactive GUI for performing geostatistical analysis in R

June 4, 2013
By
IntR – Interactive GUI for performing geostatistical analysis in R

In 2011 I presented at the UseR conference, held in Warwick (UK), a piece of software for easing the learning curve of R for geostatistical analysis. It is a very simple attempt to create an interactive interface in R, by using Python as GUI. F...

Read more »