dat Filesdat files.write.dat(x, path).dat formatdat' files are the format used in the Pacnet program. In case that the input data represents a multiple network then a separate file will be produced, each one representing a single type of relationship in the system. The name of the output files depends on the object title.StOCNET An open software system for the advanced statistical analysis of social networks.http://www.gmw.rug.nl/~stocnet/pacnet, write.gml, write.dl