Show Reference: "Good things peak in pairs: a note on the bimodality coefficient"

Good things peak in pairs: a note on the bimodality coefficient Frontiers in Psychology, Vol. 4 (2013), doi:10.3389/fpsyg.2013.00700 by Roland Pfister, Katharina A. Schwarz, Markus Janczyk, Rick Dale, Jonathan B. Freeman
@article{pfister-et-al-2013,
    author = {Pfister, Roland and Schwarz, Katharina A. and Janczyk, Markus and Dale, Rick and Freeman, Jonathan B.},
    doi = {10.3389/fpsyg.2013.00700},
    issn = {1664-1078},
    journal = {Frontiers in Psychology},
    keywords = {bimodality, math, statistics},
    pmcid = {PMC3791391},
    pmid = {24109465},
    posted-at = {2014-05-21 11:01:06},
    priority = {2},
    title = {Good things peak in pairs: a note on the bimodality coefficient},
    url = {http://dx.doi.org/10.3389/fpsyg.2013.00700},
    volume = {4},
    year = {2013}
}

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Pfister et al. recommend using Hartigan's dip statistic and the bimodality coefficient plus visual inspection to detect bimodality.