Sentence examples for selection of strata from inspiring English sources

This can be useful for selection of strata to target with sampling, both in an emergency situation as mentioned above or in ongoing surveillance programs with the aim to increase chance of early detection or to estimate probability of freedom.

Examples are provided for risk-based hazard selection, risk-based selection of sampling strata as well as sample size calculation based on risk considerations.

We used the Stata survey procedures to account for the sampling design and sampling weights to account for differential probability of selection between strata.

For those schools without enrollment information, multistage probabilistic sampling was carried out using simple random selection within strata of city, school type and education level.

Once the cumulative product of the number of levels just reaches or slightly exceeds the recommended number of strata, the selection process can stop.

Multistage sampling is one of the applications of unequal probability sampling design where the selection of primary units within strata may be done with unequal probability.

The need for efficient and cost-effective surveillance systems will induce the use of risk-based selection of hazards and population strata, and risk-based sample size calculation.

In both the previous landline only survey and the dual frame approach weights vary because of use of difference selection probabilities between strata, the sampling of one person per household and the calibration to age-sex benchmarks.

A multilevel analysis was done using complex sample methods where design-based weights for different sampling strata were calculated as the reciprocal of the probability of selection of units in that particular strata.

As the next step, random selection of the schools in the strata was performed.

Although there have been a number of HLA-association studies reported, none have stratified patients according to disease progression and compared the strength of selection in different strata according to log2-adjusted odds ratios.