Meanings of cumulative summation in English

In any case we may regard the smallest spots as the initial stages of variation, the larger as a cumulative summation of these.

For learning curve analysis, standard and risk-adjusted cumulative summation charting was used for the two most experienced robotic surgeons (A and B).

Observed cumulative summation curves of surgeons A and B differed from the average number of attempts calculated from p0 and p1.

Cumulative summation analysis provides an objective, individualized tool to evaluate surgical proficiency and suggests this occurs after performing approximately 91 procedures.