December 2013

Doodling with Data 2013-12-31 20:50:00

December 31, 2013 | Ram

A select few posts from 2013Rstudio's Shiny enabled me to try out ideas on the Web.WeatherCompareshinySketchEscherPlotMovieRatings ** Creating MazesThe most visitors came from these two posts:The hottest areas in CS for 2013 - per Google Research grant... [Read more...]

Subsetting in readOGR

December 31, 2013 | Lee Hachadoorian

The function readOGR in the rgdal package is used to bring vector spatial data sources into R. readOGR() relies upon OGR (part of the GDAL/OGR library) for format conversion. Unfortunately, while OGR supports the ability to subset columns (with the -select switch) or rows (with the -where switch), or ... [Read more...]

Using system fonts in R graphs

December 31, 2013 | Yixuan's Blog - R

This is a pretty old topic in R graphics. A classical article in R NEWS, Non-standard fonts in PostScript and PDF graphics, describes how to use and embed system fonts in the PDF/PostScript device. More recently, Winston Chang developed the extrafont package, which makes the procedure much easier. A ... [Read more...]

NFL Player Tree (Using R)

December 31, 2013 | The Clerk

NFL Player TreeInspired by the soccer player tree in an earlier post, I pulled some recent National Football League player attributes from EA Sports's Madden 25 (players ranked at least 95):I used R to do the heavy statistical lifting and used the pack... [Read more...]

Big Data Analytics predictions for 2014

December 31, 2013 | David Smith

As we close out the year, we asked a few members of the Revolution Analytics team to make a few predictions about big data analytics, data science and R for 2014. Here's what they came up with (including a few from yours truly). Michele Chambers, Chief Strategy Officer and VP Product ... [Read more...]

Blog recap of 2013

December 31, 2013 | Patrick Burns

Posts by page views Interview with a forced convert to R from Matlab A first step towards R from spreadsheets Plot ranges of data in R A statistical review of ‘Thinking, Fast and Slow’ by Daniel Kahneman The 3 dots construct in R Translating between R and SQL: the basics An ... [Read more...]

Decluttering ordination plots part 4: orditkplot()

December 31, 2013 | Gavin L. Simpson

Earlier in this series I looked at the ordilabel() and then the orditorp() functions, and most recently the ordipointlabel() function in the vegan package as means to improve labelling in ordination plots. In this, the fourth and final post in the series I take a look at orditkplot(). If you’... [Read more...]

Data Scientist. The Path I Chose

December 30, 2013 | suresh kumar Gorakala

As we all are marching into the New Year, I would like to post about my plans to become a Data Scientist, my 2014 resolution at Professional front. The term Data Science was first introduced to me a year ago same time. Since then I have started researching and gathering necessary ... [Read more...]

Spurious Regression of Time Series

December 30, 2013 | Cory Lesmeister

spu.ri.ousadjective : not genuine, sincere, or authentic: based on false ideas or bad reasoning it comes to analysis of time series, just because you can, doesn't mean you should, particularly with regards to regression.  In short, if you have highly autoregressive time series ... [Read more...]

MCMSki IV, Jan. 6-8, 2014, Chamonix (news #16)

December 30, 2013 | xi'an

I am now in Chamonix, a week before MCMSki IV. The town is packed with tourists from all over Europe, English being the dominant language. There is not much snow so far, even though some runs reach town. (I did ski in the nearby Les Houches today and the red ... [Read more...]

Fast-track publishing using knitr: intro (part I)

December 30, 2013 | Max Gordon

Fast-track publishing using knitr is a short series on how I use knitr to get my articles faster published. By fast-track publishing I mean eliminating as many of the obstacles as possible during the manuscript phase, and not the fast-track some journals offer. In this first introductory article I will ... [Read more...]

dcemriS4 0.51

December 30, 2013 | Brandon Whitcher

The R package dcemriS4 provides routines for the quantitative analysis of dynamic contrast-enhanced magnetic resonance imaging (DCE-MRI), along with quantification of diffusion-weighted MRI (DWI) and quantitative T2 maps from CPMG sequences.  The ... [Read more...]

Blog year 2013 in review

December 30, 2013 | Pat

Highlights of the blog over the past year. Most popular posts The posts with the most hits during the year. A practical introduction to garch modeling (posted in 2012) A tale of two returns (posted in 2010) The top 7 portfolio optimization problems (posted in 2012) The number 1 novice quant mistake (posted in 2011) On ... [Read more...]

Installing oce in R

December 30, 2013 | Dan Kelley Blog/R

Several of the blog items have used the oce package. The official version of this can be installed from within R by
install.packages("oce") and more up-to-date versions can be installed using the devtools package written by Hadley Wickham, which is itself installed with
install.packages("devtools") ... [Read more...]
1 2 3 14

Never miss an update!
Subscribe to R-bloggers to receive
e-mails with the latest R posts.
(You will not see this message again.)

Click here to close (This popup will not appear again)