pub fn genotype() -> Result<DataFrame, PolarsError>Expand description
§Rat Genotype Data
§Description:
Data from a foster feeding experiment with rat mothers and litters of four different genotypes: ‘A’, ‘B’, ‘I’ and ‘J’. Rat litters were separated from their natural mothers at birth and given to foster mothers to rear.
§Usage:
genotype
§Format:
The data frame has the following components:
- ‘Litter’ genotype of the litter.
- ‘Mother’ genotype of the foster mother.
- ‘Wt’ Litter average weight gain of the litter, in grams at age 28 days. (The source states that the within-litter variability is negligible.)
§Source:
Scheffe, H. (1959) The Analysis of Variance Wiley p. 140.
Bailey, D. W. (1953) The Inheritance of Maternal Influences on the Growth of the Rat. Unpublished Ph.D. thesis, University of California. Table B of the Appendix.
§References:
Venables, W. N. and Ripley, B. D. (2002) Modern Applied Statistics with S-PLUS. Fourth Edition. Springer.