append
Adds one or several rows to DataFrame
df.append(
"Mike", 15,
"John", 17,
"Bill", 30,
)
If the compiler plugin is enabled, a typesafe overload of append is available for @DataSchema classes.
@DataSchema
data class Person(val name: String, val age: Int)
val df = dataFrameOf(
Person("Mike", 15),
Person("John", 17),
)
df.append(Person("Bill", 30))
Related operations: Append / duplicate rows
24 October 2025