pclass |
| passenger class, unordered factor: 1st 2nd 3rd |
survived |
| integer: 0 or 1 |
sex |
| unordered factor: male female |
age |
| age in years, min 0.167 max 80.0 |
sibsp |
| number of siblings or spouses aboard, integer: 0...8 |
parch |
| number of parents or children aboard, integer: 0...6 |
etitanic to minimize confusion with other
versions ("e" because it is part of the earth package). Note that survived is an integer (it should arguably be a logical). In this data the crew are conspicuous by their absence. Contents of etitanic:
pclass survived sex age sibsp parch
1 1st 1 female 29.000 0 0
2 1st 1 male 0.917 1 2
3 1st 0 female 2.000 1 2
4 1st 0 male 30.000 1 2
5 1st 0 female 25.000 1 2
...
1309 3rd 0 male 29.000 0 0
How etitanic was built:
load("titanic3") # from Harrell's web site
# discard name, ticket, fare, cabin, embarked, body, home.dest
etitanic <- titanic3[,c(1,2,4,5,6,7)]
etitanic <- etitanic[!is.na(etitanic$age),]
save(etitanic, file="etitanic.rda")
F. Harrell (2001) Regression Modeling Strategies with Applications to Linear Models, Logistic Regression, and Survival Analysis http://biostat.mc.vanderbilt.edu/twiki/bin/view/Main/RmS
earth