Plot() { Sequence("basal_Knossos") { Boundary("start"); Phase() { R_Date("Beta-325102_X?_grain", 7740, 40); R_Date("Beta-325103_X?_grain", 7690, 40); R_Date("BM-436_X_AC_grain", 7740, 140); R_Date("OxA-21418_39_grain", 7735, 40); R_Date("OxA-28380_39_grain", 7729, 37); }; Boundary("end"); }; Difference("phase-length","end","start",LnN(0.5,0.5)); Correlation("corr-start-end","start","end"); Axis(BC(8000), BC(6000)); };