dermalridges: Dermal ridges data (families)

Description Format Source Examples

Description

Data on dermal ridge counts in left and right hand in (nuclear) families

Format

Data on 50 families with ridge counts in left and right hand for moter, father and each child. Family id in 'family' and gender and child number in 'sex' and 'child'.

Source

Sarah B. Holt (1952). Genetics of dermal ridges: bilateral asymmetry in finger ridge-counts. Annals of Eugenics 17 (1), pp.211–231. DOI: 10.1111/j.1469-1809.1952.tb02513.x

Examples

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data(dermalridges)
fast.reshape(dermalridges,id="family",varying=c("child.left","child.right","sex"))

mets documentation built on May 30, 2017, 7:43 a.m.

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