Simon Fraser University

Creating a One-Sided Cusum Chart with a Decision Interval

An alternative to the V-mask cusum chart is the one-sided cusum chart with a decision interval, which is sometimes referred to as the "computational form of the cusum chart." This example illustrates ...
Simon Fraser University

Creating a V-Mask Cusum Chart from Raw Data

Each observation contains one value of WEIGHT along with its associated value of HOUR, and the values of HOUR are in increasing order. The CUSUM procedure assumes that DATA= input data sets are sorted ...
bjo.bmj

CUSUM: a dynamic tool for monitoring competency in cataract surgery performance

Aims To apply cumulative sum (CUSUM) in monitoring performance of surgeons in cataract surgery and to evaluate the response of performance to intervention. Method A CUSUM analysis was applied to 80 ...
GitHub

An Introduction into Anomaly Detection

This project gives a high-level overview of anomaly detection in timeseries data and provides a basic implementation of the cumulative sum (CUSUM) algorithm in R. CUSUM relies on stationarity ...