estimand造句

例句与造句

1. An estimand is closely linked to the purpose or objective of an analysis.
2. We may have data from a clinical trial available to estimate the estimand.
3. This is in contrast to an estimator, which defines the specific rule according to which the estimand is to be estimated.
4. For this reason, it is logical to conduct sensitivity analyses using different estimators for the same estimand, in order to test the robustness of inference to different assumptions
5. In estimation theory of statistics, " statistic " or estimator refers to samples, whereas " parameter " or estimand refers to populations, where the samples are taken from.
6. It's difficult to find estimand in a sentence. 用estimand造句挺难的
7. While the estimand will often be free of the specific assumptions e . g . regarding missing data, such assumption will typically have to be made when defining the specific estimator.
8. For example, the sample mean ( estimator ), denoted \ overline X, can be used as an estimate of the " mean " parameter ( estimand ), denoted " ? ", of the population from which the sample was drawn.
9. If our question of interest is whether instituting an intervention such as a vaccination campaign in a defined population in a country would reduce the number of deaths in that population in that country, then our estimand will be some measure of risk reduction ( e . g . it could be a hazard ratio, or a risk ratio over one year ) that would describe the effect of starting a vaccination campaign.
10. Similarly, the sample variance ( estimator ), denoted " S " 2, can be used to estimate the " variance " parameter ( estimand ), denoted " ? " 2, of the population from which the sample was drawn . ( Note that the sample standard deviation ( " S " ) is not an unbiased estimate of the population standard deviation ( " ? " ) : see Unbiased estimation of standard deviation .)