cusum

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CUSUM analyses were done on the difference between observed and expected counts (for a more detailed mathematical description of the models, see Appendix A).

Different options such as data source, space aggregation, time aggregation, seasonality and most importantly, CUSUM parameters h and k were also provided to users though the web interfaces.

Data-driven approach of CUSUM algorithm in temporal aberrant event detection using interactive web applications

A surgeon would be considered proficient when his or her CUSUM chart crosses the lower control limit, signifying that the surgeon's complication rate is lower than the rate associated with abdominal hysterectomy.

We also conducted a risk-adjusted CUSUM analysis that was weighted for identified risk factors for complications.

Identify your learning curve for robotic hysterectomy: a ballpark idea of the learning curve for this procedure can enhance patient outcomes and reveal problems intrinsic to the surgeon or the surgical environment

Por lo general en los procesos industriales las cartas Shewhart, CUSUM y EWMA son las que se consideran como las mas importantes para el monitoreo de las caracteristicas de calidad.

Es conocido que para monitorear la media de un proceso en una carta CUSUM bilateral [8], se utilizan las siguientes estadisticas,

Comparacion de las cartas de control univariadas con transformacion en la medida de variabilidad

Comparing the EWMA method and the CUSUM method, the former is more suitable with a stable set point, the latter can be used in changing set point cases.

The CUSUM (cumulative sum) chart is a general method in control engineering to monitor control variables.

Using CUSUM method to detect faults in secondary HVAC systems

The CUSUM chart can be set up to indicate when the mean charge moisture content is trending above or below the target moisture content or the average charge moisture content.

The cumulative sum chart for moisture control in lumber drying

CUSUM analysis flagged a county-wide increase in macrolide antibiotics on the day of treatment/prophylaxis for the first case and contacts in the outbreak.

Use of Medicaid prescription data for syndromic surveillance--New York

The seasonally adjusted CUSUM method is based on the positive 1-sided CUSUM where the count of interest is compared to the 5-year mean and the 5-year SD for that period.

Comparing aberration detection methods with simulated data

The behavior of this cumulative sum is tracked until one of two conditions is met, with CUSUM values beyond these thresholds signaling either 1) a statistically significant change in quality to some prespecified level or 2) acceptance of the hypothesis of no change.

Binary cumulative sums and moving averages in nosocomial infection cluster detection (1). (Research)

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