Ting, YuanFreeman, KennethKobayashi, ChiakiDe Silva, GayandhiBland-Hawthorn, Joss2015-12-100035-8711http://hdl.handle.net/1885/61590In preparation for the High Efficiency and Resolution Multi-Element Spectrograph (HERMES) chemical tagging survey of about a million Galactic FGK stars, we estimate the number of independent dimensions of the space defined by the stellar chemical elementAuthor/s retain copyrightKeywords: ISM: Abundances; ISM: Evolution; Methods: Data analysis; Stars: Abundances; Stars: AGB and post-AGB; Supernovae: GeneralPrincipal component analysis on chemical abundances spaces201210.1111/j.1365-2966.2011.20387.x2016-02-24