Clustering problems (including the clustering of individuals into outcrossing populations, hybrid generations, full-sib families and selfing lines) have recently received much attention in population ...

Twin and family studies are typically used to elucidate the relative contribution of genetic and environmental variation to phenotypic variation. Here, we apply a quantitative genetic method based on ...

In some geologic studies it is desirable to group together similar samples on which many measurements have been made, and to measure the degree of similarity between the groups. Using either the ...