ia multiple filtration functions, to 
   spatial and temporal data interpolation, and network creation and analysis. 
   Functions within this package are not limited to describing interpersonal 
   contacts. Package functions can also identify and quantify "contacts" 
   between individuals and fixed areas (e.g., home ranges, water bodies, 
   buildings, etc.). As such, this package is an incredibly useful resource 
   for facilitating epidemiological, ecological, ethological and sociological 
   research.