ISFG Educational Workshop - Vienna 2011: course material Interpretation of complex STR results using the Forensim package this tutorial aims at describing the LRmix module that will be used during the practical session on day 2. It also details how the R software can be installed, and how the forensim package and its dependencies, must be installed to make the package fully functional. Data files for the practical session (day 2) Exercise 1: A classical two-person mixture. Download zipped files here. Exercise 2: A complex two-person mixture, the Hammer case (Gill et al, FSI, 166(2-3), 2007). Download zipped files here.