Sentence examples for for a specified sample size and from inspiring English sources

They also want to know With a chosen randomisation weighting and given number of minimisation factors, how big a discrepancy can be expected for a specified sample size? and How does inclusion of interactions between prognostic factors change all this?

For a specified sample size and k=500 estimated values obtained using one of the two referred starting values, we evaluate the average of those estimated vectors and the square root mean squared errors (SRMSEs).

To assess the type I error rate, we set βtreat to 0. To assess power, we set βtreat to give 80% power based on the specified sample size (for binary and time-to-event outcomes, we powered the study based on reducing, rather than increasing, the number of events).

Indeed it is known that for a fixed total number of subjects, the higher the number of clusters, the higher the power [ 1] which means that reducing the number of clusters will translate in a loss in power even if the pre-specified sample size is achieved.

Instead of pre-specified sample size determination, power analysis was conducted after collecting clinical data to guarantee statistical power and to evaluate whether RASSF1A methylation is a prognostic marker for survival.

There was no pre-specified sample size or follow-up period used to determine study inclusion.

Statistical power analysis involves determining statistical power of a design given a statistical significance level, sample size, and effect size, or determining the sample size necessary to obtain a desired level of power for a specified effect size and significance level.

The algorithm gives the sample size and control limits for an np chart (the 3-triplet np chart) based on the specified values of (a) the in-control fraction nonconforming value p0, a downward shifted value p− and an upward shifted value p+; (b) the corresponding design run lengths (RL); and (c) the corresponding probabilities (W).

Further strengths include the long-term follow-up, adequate sample size, and high incidence of pre-specified and centrally adjudicated endpoints.

From publications, we noted the achieved sample size and any statements about early stopping or whether analyses were pre-specified or amended.

Sample size and no sample size.