Cichlid Mating Preference
Preference index in F1 and F2 crosses of two species of cichlids from Lake Victoria, Pundamilia pundamilia and P. nyererei.
A data frame with 53 observations on the following 2 variables.
a factor with levels F1 and
F2
a numeric vector
Haeslery, M.P. and O. Seehausen. 2005. Inheritance of female mating preference in a sympatric sibling species pair of Lake Victoria cichlids: implications for speciation. Proceedings of the Royal Society of London, Series B, Biological Sciences 272: 237-245.
str(Cichlids)
summary(preference ~ genotype, Cichlids, fun = favstats)
if (require(plyr)) {
ddply(Cichlids, .(genotype),
function(df)c(mean = mean(df$preference),
standard.deviation = sd(df$preference),
n = length(df$preference)))
}Please choose more modern alternatives, such as Google Chrome or Mozilla Firefox.