Blog Archives

Nice simple notes on running R in parallel by Geyer

March 15, 2011
By

Here, by Charles J. Geyer.

Read more »

Converting strsplit() output to a data.frame

January 28, 2011
By

R has a nice set of utilities to work with strings. Function paste is surely one among these. It can be used to "glue" several strings with optional separator. The following example shows how paste can be used to create a new variable in a dataset: dat (dat$z Today I was in a situation where I only had column...

Read more »

ASReml-R: Storing A inverse as a sparse matrix

December 18, 2010
By

I was testing ASReml-R program (an R package that links propriety ASReml binaries that can be used only with valid licence) this week and had to do some manipulations with the numerator relationship matrix (A). ASReml-R provides a function (asreml.Ainverse) that can create inverse of A directly from the pedigree as this inverse is needed in pedigree based...

Read more »

IPSUR book used LyX-Sweave

July 28, 2010
By

Jay Kerns wrote a book titled "Introduction to Probability and Statistics Using R" or IPSUR for short. He has put up a web site for the book and Rcmdr plugin. There are at least two very important points from my side (I did not read the book, yet): 1. ...

Read more »

Drawing pedigree examples using the kinship R package

June 30, 2010
By
Drawing pedigree examples using the kinship R package

I have previously provided sort of an overview about plotting the pedigrees, then specifically using the Graphiviz, while I have lately used the TikZ LaTeX (see slides 11-15) system (see more example). The later gives great (beautiful) results, but at the cost of writing TikZ code - it is not that horible, just time consuming...

Read more »

Sweave.sh in Eclipse-StatET

June 29, 2010
By

Sébastien Bihorel sent the following instructions on how to use my sweave.sh shell script in Eclipse-StatET. 1- First, you need to know the path to your TEXINPUTS settings. Type R CMD env |grep TEXINPUTS in a shell. In my installation (opensuse 11.2), the shell returned the followingTEXINPUTS=.::/usr/lib/R/share/texmf:2- Edit your .bashrc file (located in your home directory) and add...

Read more »

R AnalyticFlow

January 21, 2010
By
R AnalyticFlow

R AnalyticFlow seems to be a nice tool to have a good overview over the analysis. The same kind of mode is available in Orange and SAS Enterprise Guide. I have not tried it yet, though. Does anyone have any experiences with it?Update on 2010-07-31: the...

Read more »

Galton’s quincunx in R

December 13, 2009
By
Galton’s quincunx in R

Andrej Blejec has a very nice R demo of Galton's quincunx (link1, link2). It is a bit tedious to copy the code from PDF to R console, but it is worth the effort as the demo simulation clearly shows the nature of quincunx. After a bit of search I also f...

Read more »

Sweave-Lyx from terminal on Mac

November 12, 2009
By

Mark Heckmann writes:In your paper "Using Sweave with Lyx" (great work bty) you pointed out that one can see the sweave error code when processing when starting lyx from the terminal. I just changed from Windows to Mac so that's new for me. Could you s...

Read more »

RExcel

October 13, 2009
By

I am not a fan of MS Windows software. However, the reality is that majority of people use it and it is often easier for me to live with this than to convert the sorounding souls. Additionally I am find ing out lately that majority of my favourite open...

Read more »

Sponsors

Mango solutions



plotly webpage

dominolab webpage



Zero Inflated Models and Generalized Linear Mixed Models with R

Quantide: statistical consulting and training

datasociety

http://www.eoda.de





ODSC

ODSC

CRC R books series





Six Sigma Online Training









Contact us if you wish to help support R-bloggers, and place your banner here.

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)