{"name":"drug1","type":"subject.prop","across.mean":0.9}
{"name":"drug2","type":"subject.prop","across.mean":0.5}
{"name":"height","type":"normal","across.mean":65,"across.SD":5,"within.var":1e-27}
{"name":"weight","type":"normal","across.mean":150,"across.SD":40,"within.var":10,"error.SD":1.5}
{"name":"bp","type":"time.function","across.mean":110,"across.SD":10,"error.SD":6}
{"name":"bp_slope","type":"normal","across.mean":0,"across.SD":3}
{"name":"drug1_s","type":"static.binary","prop":0.25}
{"name":"drug2_s","type":"static.binary","prop":0.1}
{"name":"male","type":"static.binary","prop":0.4}
{"name":"black","type":"cat.static"}
{"name":"white","type":"cat.static"}
{"name":"other","type":"cat.static"}