implode
fun <T, C> DataFrame<T>.implode(dropNA: Boolean = false, columns: ColumnsSelector<T, C>): DataFrame<T>
fun <T, C> DataFrame<T>.implode(vararg columns: ColumnReference<C>, dropNA: Boolean = false): DataFrame<T>
fun <T, C> DataFrame<T>.implode(vararg columns: KProperty<C>, dropNA: Boolean = false): DataFrame<T>
Deprecated
It's recommended to migrate to the String or Extension Properties Access API https://kotlin.github.io/dataframe/apilevels.html