Input DataFrame: rowsCount = 7, columnsCount = 5

name	age	city	weight	isHappy
Cooper (Alice)	15	London	54	true
Dylan (Bob)	45	Dubai	87	true
Daniels (Charlie)	20	Moscow	null	false
Chaplin (Charlie)	40	Milan	null	true
Marley (Bob)	30	Tokyo	68	true
Wolf (Alice)	20	null	55	false
Byrd (Charlie)	30	Moscow	90	true

Step 1: Split

split1	age	city	weight	isHappy
Cooper (Alice)	15	London	54	true
Dylan (Bob)	45	Dubai	87	true
Daniels (Charlie)	20	Moscow	null	false
Chaplin (Charlie)	40	Milan	null	true
Marley (Bob)	30	Tokyo	68	true
Wolf (Alice)	20	null	55	false
Byrd (Charlie)	30	Moscow	90	true

Step 2: SplitWithTransform

split1	split2	age	city	weight	isHappy
Cooper	Alice	15	London	54	true
Dylan	Bob	45	Dubai	87	true
Daniels	Charlie	20	Moscow	null	false
Chaplin	Charlie	40	Milan	null	true
Marley	Bob	30	Tokyo	68	true
Wolf	Alice	20	null	55	false
Byrd	Charlie	30	Moscow	90	true

Output DataFrame: rowsCount = 7, columnsCount = 5

name		age	city	weight	isHappy
firstName	lastName
Cooper	Alice	15	London	54	true
Dylan	Bob	45	Dubai	87	true
Daniels	Charlie	20	Moscow	null	false
Chaplin	Charlie	40	Milan	null	true
Marley	Bob	30	Tokyo	68	true
Wolf	Alice	20	null	55	false
Byrd	Charlie	30	Moscow	90	true