Sentence examples for computed sample size from inspiring English sources
When previous data are available, statistical power should be computed, sample size chosen accordingly and reported.
We computed sample size savings resulting from use of one exposure measure compared with another as the ratio of the square of the Wald z statistics for their respective coefficients.
The computed sample size per strata was 254 adjusting for non-response.
However, because Arua had an estimated total of 360 healthcare workers, fewer than the computed sample size of 384 respondents, Cochran's correction formula was employed to get the final sample size of 186 respondents [ 28].
For between-instrument comparisons, we computed sample sizes required per study arm for 80% power, with an alpha of 0.05, given the delta that was observed.
Alternatively, there are several statistical softwares and online calculators, which can compute sample size for various research designs.
Bayes success run theorem appeared to be the most appropriate approach among various methods considered in this work for computing sample size for PPQ.
Several commercial software packages are available for computing sample size in clinical trials with sequential designs and time to event endpoints, but there are a few R functions implemented.
Computing sample size from statistical theory can be a major challenge because the theoretical distributions of values are complex and asymmetrical, and a different formula needs to be used for each experimental design.
