# Sum of squared errors [duplicate]

Why do we use SSE (the sum of squared errors) in calculations. Why do not we use the sum of errors? Could you explain please?

## marked as duplicate by Glen_b♦, gung♦, Nick Stauner, Nick Cox, ttnphnsApr 20 '14 at 6:10

• I presume you meant "sum of absolute errors" for sum of errors. – ttnphns Apr 19 '14 at 14:09