The 30 features measured by the MRC Edinburgh chromosome system --------------------------------------------------------------- This note refers to data extracted in August 1991. A few features (notably number 7) previously had different interpretations. 0. Normalised area 1. Size = normalised area + k * normalised length 2. Relative density = mass / area 3. Area centromeric index (scaled) 4. Mass centromeric index (was RATIO massci / areaci) 5. CVDD 6. NSSD 7. Normalised length (previously various things either highly correlated with other features or with no discrimination at all!) 8. WDD-1 9. WDD-2 10. WDD-3 11. WDD-4 12. WDD-2p 13. WDD-6 14-19. MWDD-1 -- MWDD-6 20-25. GWDD-1 -- GWDD-6 26. Length centromeric index (scaled) 27. Normalised convex hull perimeter 28. Number of density profile maxima (number of bands) 29. NBINDEX (number of bands in half profile / number of bands)