use proper formula for variance
commit66b4ffd109ba7a8f3b7ca06f302c28bcc0af0824
authorDouglas Bagnall <douglas@paradise.net.nz>
Sun, 23 May 2010 03:29:27 +0000 (23 15:29 +1200)
committerDouglas Bagnall <douglas@paradise.net.nz>
Sun, 23 May 2010 03:29:27 +0000 (23 15:29 +1200)
tree3794f69c4ec7de2209d2c8ad9c97251477c0f168
parent0c28e9d2edf8b270d4ea8e4071cc4b1c79336a88
use proper formula for variance
edges.c