## Basic description of this course

This course is part of a full series of statistics classes, organized by Genotoul - Biostatistics in the INRA of Toulouse during the years 2011, 2012, 2013 and (coming soon) 2015. Its aim is to introduce statistical methods to infer networks from gene expression data and then to analyze them. It is divided into

• a presentation of the topic (approximately 3 hours);
• practical applications using the free statistical software environment R and the free graph visualization platform .

The course is organized as follows:

• basic introduction to networks;
• network inference with a focus on the GGM;
• graph mining.

The following R packages are used in the applications:

• data: the edge list of my facebook network and the nodes’ names (initials) that have to be renamed fbnet-el.txt and fbnet-name.txt, respectively;