ex1918: The Donner Party

Description Usage Format Source References See Also Examples

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

1

Format

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

AgeCat

a numerical code corresponding to six age categories, with 1 = "15-19", 2 = "20-29", 3 = "30-39", 4 = "40-49", 5 = "50-59" and 6 = "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. (2013). The Statistical Sleuth: A Course in Methods of Data Analysis (3rd ed), Cengage Learning.

References

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

See Also

case2001

Examples

1

Example output

'data.frame':	12 obs. of  4 variables:
 $ AgeCat: int  1 1 2 2 3 3 4 4 5 5 ...
 $ Sex   : Factor w/ 2 levels "Female","Male": 2 1 2 1 2 1 2 1 2 1 ...
 $ Lived : int  1 1 5 6 2 2 2 1 0 0 ...
 $ Died  : int  1 0 10 1 4 0 1 3 1 1 ...

Sleuth3 documentation built on May 31, 2017, 1:56 a.m.