minus

operator fun DataFrame.minus(columnName: String): DataFrame(source)

Drops a column by name, returning a new DataFrame: df - "unwantedCol".

operator fun DataFrame.minus(columnNames: Collection<String>): DataFrame(source)

Drops columns by names, returning a new DataFrame: df - listOf("col1", "col2").

operator fun DataFrame.minus(columnNames: Array<String>): DataFrame(source)

Drops columns by names, returning a new DataFrame: df - arrayOf("col1", "col2").