Abstract

The single-linkage cluster analysis technique is here applied to the data set provided by the AMOR meteoroid orbit radar to detect meteoroid streams present. This technique, which is much used particularly in photographic meteor work, is found to be inappropriate for use on radar data sets: while clusters corresponding to the major meteoroid streams are found in the AMOR data set, the algorithm is found to be very unstable and the statistical significance or otherwise of these clusters, and that of others which appear at similar levels in the agglomerative hierarchy, is unable to be validated.

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