ex1918 | R Documentation |
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.
ex1918
A data frame with 12 observations on the following 4 variables.
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"
a factor with levels "female"
and
"male"
number that lived
number that died
Ramsey, F.L. and Schafer, D.W. (2013). The Statistical Sleuth: A Course in Methods of Data Analysis (3rd ed), Cengage Learning.
Grayson, D.K. (1990). Donner Party Deaths: A Demographic Assessment, Journal of Anthropological Research 46: 223–242.
case2001
str(ex1918)
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