Publications by romain francois

Rcpp Workshop slides

29.04.2011

Dirk and I gave a full day Rcpp workshop yesterday in Chicago before the R in Finance conference. The pdfs of the slides are available here: part 1 (intro), part 2 (details), part 3 (modules) and part 4 (applications) Related To leave a comment for the author, please follow the link and comment on their blog: Romain Francois, Professional R...

655 sym

Facebook like button in Graph Gallery

20.09.2011

I’ve added facebook like button in the home page of the R Graph Gallery and on each image page, i.e. this one which I “like”. Related To leave a comment for the author, please follow the link and comment on their blog: Romain Francois, Professional R Enthusiast - Tag - R. R-bloggers.com offers daily e-mail updates about R news and tutor...

561 sym 2 img

More facebook and google plus on the Graph Gallery

21.09.2011

Following up on yesterday’s post about facebook like box, I’ve added some more social things into the gallery. The main page gains a google plus “plus one” button, and each graph page now has a +1 button, a facebook like button, and a facebook comment box Related To leave a comment for the author, please follow the link and comment on t...

691 sym 2 img

Facebook page about the Graph Gallery

22.09.2011

I’ve just created a facebook page about the R Graph Gallery I hope this will improve the experience of the website by making it more social, for example, I anticipate that people will share their own graphs by sending a picture on the facebook page wall As part of this, I’ve added the usual “find us on facebook” widget on the home page...

791 sym 2 img

R Graph Gallery – Donations Welcome

30.09.2011

I’ve added a PayPal button into the graph, just in case people want to help the development of the website Related To leave a comment for the author, please follow the link and comment on their blog: Romain Francois, Professional R Enthusiast - Tag - R. R-bloggers.com offers daily e-mail updates about R news and tutorials about learning R a...

544 sym 2 img

Twitter updates on R Graph Gallery

03.10.2011

I’ve added a twitter search widget that searches for the #rgraphgallery hashtag or the url of the gallery on the front page. Related To leave a comment for the author, please follow the link and comment on their blog: Romain Francois, Professional R Enthusiast - Tag - R. R-bloggers.com offers daily e-mail updates about R news and tutorials...

561 sym 2 img

R Graph Gallery widget in R Bloggers

08.10.2011

The R Bloggers website, maintained by Tal Galili, aggregates blogs (including mine) from many people of the R community. Tal and I have been wondering about how to tight R Bloggers with the gallery, supporting each other’s website. To that extent, I’ve made a quick and dirty widget, using the jquery cycle plugin that is now on the right side...

1130 sym 2 img

R Bloggers widget in R Graph Gallery

11.10.2011

Following last post about partnership with R Bloggers, Tal and I have added a small widget to the gallery main page to present links to recent posts on R Bloggers It uses the wordpress api to grab information about the rss feed generated by R Bloggers and displays links one at a time using the same jquery magic as we’ve used in the widget that...

825 sym 2 img

Rcpp reverse dependency graph

30.10.2011

I played around with reverse dependencies of Rcpp. At the moment, 44 packages depend on Rcpp and the number goes up to 53 when counting recusive reverse dependencies. I’ve used graphviz for the representation of the directed graph Here is the code I’ve used to generate the dot file: Related To leave a comment for the author, please follow ...

720 sym 2 img

Code optimization, an Rcpp solution

10.11.2011

Tony Breyal woke up an old code optimization problem in this blog post, so I figured it was time for an Rcpp based solution This solutions moves down Henrik Bengtsson’s idea (which was at the basis of attempt 10) down to C++. The idea was to call sprintf less than the other solutions to generate the strings “001”, “002”, “003”, … ...

828 sym R (622 sym/1 pcs)