The videos from 'Tiki + PluginR' workshop given in Madrid (Nov'12) in the context of the "3as Jornadas de Usuarios de R en Castellano" are available online.
See it within the page of the fulll workshop:
Documentation, Videos and Screenscasts: http://ueb.vhir.org/2011+R-es+Taller+5
Thanks heaps to José Antonio Palazaón and colleagues for the recording and sharing of the video! (and of course, to the organizers of the III Jornadas ;-) )