The output names the difference columns give, suffix by suffix (spec ยง7.12): with [a, b], a_1, b_1, a_2, b_2, a_valueDifference, b_valueDifference, not grouped per column
[a, b]
a_1, b_1, a_2, b_2, a_valueDifference, b_valueDifference
The output names the difference columns give, suffix by suffix (spec ยง7.12): with
[a, b],a_1, b_1, a_2, b_2, a_valueDifference, b_valueDifference, not grouped per column