Sentence examples for size of strata from inspiring English sources

Since the actual pore size of strata mostly follows a multi-peak distribution, then a double-peak model F, a three-peak model G, and a four-peak model H are set as the simulation objects.

For the institution survey, weights included size of strata, the institution occupation rate (number of subjects in the institution/number of available beds), and the answer refusal rate (higher in psychiatric centres).

For each stratum, the proportion of the reference population and the RR weighted according to the size of stratum population was estimated, giving the average adjusted risk (AR) for the population strata using the formula (Eq.1) described by Martin et al. [ 54]: (1) ∑ l L = A R l × P r P l = 1 where L is the number of risk strata and PrP is the proportion of farms in the lth stratum.

The stratified and marginal methods will give the same results if the weights are chosen as the relative sizes of strata in the study population.

When the continuous variable is coarsened into bins, matching will take place on the respective strata and then observations are finally re-weighted according to the size of their strata.

The low incidence rate also limits the minimum size of time strata for which sensibly precise estimates of protective efficacy can be calculated to around one month.

The selected sample was proportional to the size of the strata.

We distributed the total sample size proportionally to size of socioeconomic strata of the population from Lima and Callao cities. Demographic and clinical data were compared by age group using the chi-square test.

Given the moderate sample size of these strata, a likelihood-ratio statistics was used to test the null hypothesis that all the coefficients associated with the covariates were zero.

In order calculate the sample size of each stratum, population size of the stratum was multiplied by the total sample size of the strata and divided by the total student population (24158).

Adolescents were stratified into 12 14 years, 15 16 years and 17 18 year age groups and conveniently sampled from schools and in the community with the sample size in each age stratum proportional to the size of the stratum population in the DSS.