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Discussion of the analyses

Thus, the objective was set as the determination of classification methods for vocalizations based on the seven variables provided. The problem is fundamentally multivariate, since the observation of interest, the seal call, is presented as a vector of variables summarizing characteristics of the call. This provides a representation of the auditory signal that is amenable to statistical analysis but involves an assumption that it is an adequate representation of the call. The four teams independently decided to treat this as a problem of multivariate discrimination or classification in which special considerations were required because of the nature of the variables. The teams will be referred to as