Table 1

Stress values and LOO errors obtained for different weighting and normalisation methods of the neutralisation matrix

Map dimensions
w
234
1/Dij11/Dij11/Dij1
Scaling across sera*Stress20 711.9411 619.720 695.7336 660.620 688.7326 994.1
Normalised stress65.69148.965.58163.165.53173.7
LOO error64.72154.666.43160.265.12171.4
No scalingStress162 443.6437 582.115 987.9348 807.715 954.3337 882.9
Normalised stress50.2983.7150.0798.550.02102.4
LOO error50.8188.8951.3799.1151.6299.99
  • *Scaling across viruses performed substantially less well and is not shown.

  • LOO, leave-one-out.