# Loss of heterozygosity data.  From Knowles et al, 1994, Cancer Research, 54: 531-538.
# Data are collapsed over arms, i.e. are losses per chromosome.

y <- c(7,8,7,14,6,9,7,20,48,7,26,5,10,4,5,4,26,9,7,6,4,4)  # number of losses
ybar <- c(69,75,71,76,69,78,67,81,83,68,79,78,68,58,60,53,78,74,67,72,65,46) - y