When I am working in new institutions and I am asking: “Do you have a document management system?” I often get the answer:”Yap, we are using folders” … OKAY. Making analysis, developing applications and keeping an eye on code, data and applications make this even harder as it has to be. Of course not many
Note: this is a contributed article for the ICSA Bulletin and the basic idea can be summarized in this picture. It is hard to convince people to think about reproducible research (RR). There are two parts of difficulties: (1) tools used to be for ex...
I knew R was versatile, but DANG, people do a lot with it: > > … I don’t think anyone actually believes that R is designed to make *everyone* happy. For me, R does about 99% of the things I … Continue reading →
It’s gutted that I could not attend useR! 2012 after having a great time at useR!2011 at Warwick. However, a great active online community of useRs allows me to get lots of goods stuffs from the conference even though I did not attend physically. By keep following the #useR2012 and #rstats in Twitter and reading some great posts from R-bloggerRs on the 
My good friend and programming guru Piers Harding wrote a blog called Analytics with SAP and R where he showed us how to link the wonderful worlds of R and SAP. Yes...SAP...not SAP HANA...but the good old NetWeaver...Piers build the RSAP extension usin...
This post shares the video from a talk presented on June 20 2012 by Dr Lyndon Walker (see Meetup page). The talk was titled “Getting staRted with R: An accelerated primer”. To quote the outline of the talk : R … Continue reading →
The eighth annual R user conference, UseR! 2012, has come and gone — and what an event it was! I've been to five useR! conferences so far, and each one improves upon the last. This year's conference at Vanderbilt was the best so far: an outstanding location (my first visit to Nashville, a great city), excellent facilities (the lecture...
RStudio and knitr are an excellent conbination for generating dynamic reports. But in this blog, I will show you how to generate HTML-style presentaion using R only. OK, I confess that we still need something else: deck.js and markdown and R.utils. ...
Arguably, knitr (CRAN link) is the most outstanding R package of this year and its creator, Yihui Xie is the star of the useR! conference 2012. This is because the ease of use comparing to Sweave for making reproducible report. Integration of knitR and R Studio has made reproducible research much more convenience, intuitive and easier to 
In my last blog I'm following you in Twitter...are you following me back? I show you how to use the Twitter APIs to get a list of the people that you follow but doesn't follow you back.This time, I want to extend the tool as I installed the R...
Zero Inflated Models and Generalized Linear Mixed Models with R.
Zuur, Saveliev, Ieno (2012).
