Data on dermal ridge counts in left and right hand in (nuclear) families
Data on dermal ridge counts (left and right hand) in 18 monozygotic twin pairs.
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
data(dermalridgesMZ)
fast.reshape(dermalridgesMZ,id="id",varying=c("left","right"))
#> sex left1 right1 group id left2 right2
#> 1 female 95 83 psychotic&neurotic 1 90 85
#> 3 female 93 90 psychotic&neurotic 2 80 80
#> 5 male 99 94 psychotic&neurotic 3 94 99
#> 7 female 55 61 psychotic&neurotic 4 48 54
#> 9 female 41 24 psychotic&neurotic 5 26 42
#> 11 male 39 38 psychotic&neurotic 6 49 38
#> 13 female 69 81 psychotic&neurotic 7 81 71
#> 15 male 78 72 psychotic&neurotic 8 77 77
#> 17 male 64 64 psychotic&neurotic 9 69 55
#> 19 male 74 83 psychotic&neurotic 10 78 87
#> 21 female 37 34 psychotic&neurotic 11 27 46
#> 23 female 39 45 psychotic&neurotic 12 45 53
#> 25 female 62 62 normal 13 69 66
#> 27 male 92 95 normal 14 90 89
#> 29 female 97 90 normal 15 92 99
#> 31 female 28 44 normal 16 44 48
#> 33 female 53 59 normal 17 51 53
#> 35 male 62 60 normal 18 56 51