Sam Lee and Alan Mak made 3 films together, and the 1 rated one averages 5.90, 0.55 below their career marks. The best is Gen-X Cops at 5.9.

Sam Lee averages 6.22, Alan Mak averages 6.69. Apart that suggests 6.46; together they average 5.90, a lift of −0.55.

Lift is the average of their films together minus the mean of their two career averages.