Description Usage Format Source References
Karn and Penrose's (1951) dataset on the survival of human male infants, their birth wieghts in 0.23 kg (half pound) increments, and their gestation lengths in 5 day increments.
1 | humansNeonatal
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a data frame
Transcribed by Dolph Schluter from Karn and Penrose 1951.
Karn, M. N., and L. S. Penrose. 1951. Birth weight and gestation time in relation to maternal age, parity and infant survival. Annals fo Eugenics 16: 147-164.
Schluter, D. 1988. Estimating the form of natural selection on a quantitative trait. Evolution 42: 849-861.
Schluter, D., and D. Nychka. 1994. Exploring fitness surfaces. The american Naturalist 143: 597-616.
M.B. Morrissey and K. Sakrejda. 2013. Unification of regression-based methods for the analysis of natural selection. Evolution 67: 2094-2100.
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