Questions1 Homework2 Berkant Güneş

Read adult.csv data set (This is on the web) :
 exclude rows where marital-status is missing.
 On the remaining rows:
 extract rows where marital-status = "Never-married"
 extract rows where marital-status = "Divorced" AND 20 <= age <= 40 AND workclass
starts with "S"
 remove column "marital-status
 keep only column "marital-status"
 keep only String columns using a Column Filter node and then only column "marital-status"
using a Reference Column Filter node