Dermal ridges data (monozygotic twins)

Description

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

Format

Data on dermal ridge counts (left and right hand) in 18 monozygotic twin pairs.

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(dermalridgesMZ)
fast.reshape(dermalridgesMZ,id="id",varying=c("left","right"))

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