Thread-safe exponential moving average counter. coefficient is a number between
0 and 1 that determines to what degree the previous average is factored in when
constructing a new average (0 = use entirely the old average, aka average doesn't
change, 1 = use entirely the new average).
Thread-safe exponential moving average counter.
coefficientis a number between 0 and 1 that determines to what degree the previous average is factored in when constructing a new average (0 = use entirely the old average, aka average doesn't change, 1 = use entirely the new average).