Determining confidence intervals for weighted trial data

Details Determining confidence intervals for weighted trial data Determining confidence intervals for weighted trial data

2006-08-15

2006-08-15

Raymond, Edward (Department: 2857)

Data processing: measuring, calibrating, or testing

Measurement system

Statistical measurement

C702S176000

Reexamination Certificate

active

07092844

ABSTRACT:
Collected trial data is weighted to, for example, reflect the relevance of the data. A weighted confidence interval determination and application process described herein determines a confidence interval used to interpret the data. The confidence interval is derived by adjusting the sample size N to account for the impact of weighting when determining confidence intervals. The sample size N is adjusted in a downward trend to avoid overestimating the confidence interval. Lower and upper bounds of the confidence interval are determined using weight influenced variables. Thus, interpretation of weighted trial data, such as product demand data, can be achieved and acted upon with an accurate estimation of risk.

REFERENCES:
patent: 6003027 (1999-12-01), Prager
patent: 6868389 (2005-03-01), Wilkins et al.
patent: 2002/0082902 (2002-06-01), Ando et al.

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