머신러닝/--/하마/ 타이타닉 컬럼 (Feature)
Data Dictionary ===> variable = feature = parameter = axis
Variable Definition Key
0. survival Survival 0 = No, 1 = Yes
1. pclass Ticket class 1 = 1st, 2 = 2nd, 3 = 3rd
2. sex Sex
3. Age Age in years
4. sibsp # of siblings / spouses aboard the Titanic
5. parch # of parents / children aboard the Titanic
6. ticket Ticket number
7. fare Passenger fare
8. cabin Cabin number
9. embarked Port of Embarkation C = Cherbourg, Q = Queenstown, S = Southampton
Variable Notes
pclass: A proxy for socio-economic status (SES)
1st = Upper
2nd = Middle
3rd = Lower
age: Age is fractional if less than 1. If the age is estimated, is it in the form of xx.5
sibsp: The dataset defines family relations in this way...
Sibling = brother, sister, stepbrother, stepsister
Spouse = husband, wife (mistresses and fiancés were ignored)
parch: The dataset defines family relations in this way...
Parent = mother, father
Child = daughter, son, stepdaughter, stepson
Some children travelled only with a nanny, therefore parch=0 for them.