nto contact and 
   social networks, and facilitate network analysis by randomizing 
   individuals' movement paths and/or related categorical variables. To use 
   this package, users need only have a dataset containing spatial data 
   (i.e., latitude/longitude, or planar x &amp; y coordinates), individual IDs 
   relating spatial data to specific individuals, and date/time information 
   relating spatial locations to temporal locations. The functionality of this 
   package ranges from data "cleaning" v