filter
Returns DataFrame with rows that satisfy row condition
Related operations: Filter rows
df.filter { age > 18 && name.firstName.startsWith("A") }
df.filter { "age"<Int>() > 18 && "name"["firstName"]<String>().startsWith("A") }
filter on a DataColumn
Returns a DataColumn containing only the values that match the given predicate.
df.age.filter { it > 17 }
df.age.filter { it > 17 }
09 September 2026