dogs=matrix(c(
.28,.51,1,.39,.29,.36,.32,.69,.17,.33,
.3,.39,.63,.68,.38,.21,.88,.39,.51,.32,
1.07,1.35,.69,.28,1.24,1.53,.49,.56,1.02,.3),
nrow=10,ncol=3,
dimnames=list(NULL,c("isofluorane","halothane","cyclopropane"))
)