"Group","Name","Filename","Format","Period","ActorSet","Type","Selected","MissingValues","NonZeroCode"
"data1","friendship","s50-network1.dat","matrix","1","Actors","network","Yes","NA","1"
"data1","friendship","s50-network2.dat","matrix","2","Actors","network","Yes","NA","1"
"data1","friendship","s50-network3.dat","matrix","3","Actors","network","Yes","NA","1"
"data1","smoking","s50-smoke.dat","matrix","1","Actors","behavior","Yes","NA","1"
"data1","drinking","s50-alc2.dat","matrix","1","Actors","changing covariate","Yes","NA","1"
"data1","sport","s50-sp2.dat","matrix","1","Actors","changing covariate","Yes","NA","1"
