Posts Tagged ‘ Montréal ’

Mapping Bike Accidents in R

September 14, 2012
By
Mapping Bike Accidents in R

At last weekend’s Hack Ta Ville event here in Montreal, I joined up with some talented urban planners and web devs to realize Vélobstacles. The idea of the project is to crowd source information on cycling conditions around the city. As with any crowd sourcing project, we were faced with the problem of seeding the

Read more »

R Workshop: Introducing Slidify – HTML5 slides from R markdown

June 20, 2012
By
R Workshop: Introducing Slidify – HTML5 slides from R markdown

Thursday, June 28th, 2012  19h. <–  new evening time! Tomson House: 650 McTavish, H3A 1Y2, Montréal, QC <– new social setting! guRu: Ramnath Vaidyanathan (McGill University) Ramnath Vaidyanathan will introduce the group to slidify, his brand new R package. From the slidify website: “The objective of slidify is to make it easy to create reproducible

Read more »

More Bixi Data Visualization

May 17, 2012
By
More Bixi Data Visualization

I mentioned in a previous post that our team at the recent Hack/Reduce hackathon had some fun with a data set which consisted of Bixi station states at minute level temporal resolution. In addition to pulling out and plotting the flux at each station on an hourly basis, we also plotted the system state (number

Read more »

Heartbeat of a Cycling City: Bixi data at Hack/Reduce

May 8, 2012
By
Heartbeat of a Cycling City: Bixi data at Hack/Reduce

The recent Hack/Reduce hackathon in Montreal was a tonne of fun. Our team tackled a data set of consisting of Bixi (Montreal’s bicycle share system) station states at one minute temporal resolution. We used Hadoop and mapreduce to pull out some features of user behaviours. One of the things we extracted was the flux at

Read more »

Playing with robots

May 3, 2011
By
Playing with robots

My son would be extremely proud if I tell him I can spend hours building robots. Well, my robots are not as fancy as Dr Tenma's, but they usually do what I ask them to do. For instance, it is extremely simple to build a robot with R, to extract dat...

Read more »