Description

In 1846 the Donner party became stranded while crossing the Sierra Nevada Mountains near Lake Tahoe. The data frame has the counts for male and female survivors for six age groups.

Usage

Format

A data frame with 12 observations on the following 4 variables.

Age

a factor with six levels: "15-19", "20-29", "30-39", "40-49", "50-59" and "60-69"

Sex

a factor with levels "female" and "male"

Lived

number that lived

Died

number that died

Source

Ramsey, F.L. and Schafer, D.W. (2002). The Statistical Sleuth: A Course in Methods of Data Analysis (2nd ed), Duxbury.

References

Grayson, D.K. (1990). Donner Party Deaths: A Demographic Assessment, Journal of Anthropological Research 46: 223–242.

See Also

case2001

Examples