Set Up the Null Bed Net Contact Object
Source:R/bednet-contact-basic.R, R/bednet-contact-linear.R
      setup_bednet_contact.linear.RdSet up the null bed net coverage object
Set up the null bed net coverage object
Usage
# S3 method for class 'linear'
setup_bednet_contact(name, xds_obj, options = list())
# S3 method for class 'linear'
setup_bednet_contact(name, xds_obj, options = list())