cumulative sum chart

cumulative sum chart

[′kyü·myə·ləd·iv ′səm ‚chärt]
(industrial engineering)
A statistical control chart on which the cumulative sum of deviations is plotted over a period of time and which often has a sliding V-shaped mask for comparing the plot with allowable limits. Also known as cusum chart.
Mentioned in ?
References in periodicals archive ?
Binary cumulative sum charts, based on the theory of sequential probability ratio tests, monitor a cumulative term that is incremented or decremented by certain amounts for each positive or negative result, respectively, in order to sequentially test between user-specified acceptable and unacceptable rates (35,36) (Equation 1).

Full browser ?