The n samples can be assigned to the strata equally, proportional (i.e., in proportion to strata sizes), optimal (i.e., by strata sizes and strata variances), or by Neyman allocation that in addition to strata size and variance includes the assessment costs per stratum [16].
The n samples can be assigned to the strata equally, proportional (i.e., in proportion to strata sizes), optimal (i.e., by strata sizes and strata variances), or by Neyman allocation that in addition to strata size and variance includes the assessment costs per stratum [ 16].
In addition to these explicit strata, there were also implicit strata that were built according to gender, canton and class size.
Table 1 shows the number of cases sampled per stratum, in addition to the mean age, mean body mass index (BMI), and the distributions for ethnicity and educational level.
In addition to all the covariates mentioned above, strata defined by age and sex (age groups of <46, 46 50, 51 55, 56 60, and >60 years for each sex), and racial/ethnic groups (non-Hispanic white, Hispanic white, or African American/others) were included in the regression model to account for the matched sampling.
Two distinct Sez-6 positive strata were present in the inner plexiform layer in addition to generalized punctate staining.
Because control of factors changing across strata is no longer achieved by design, in addition to the regressors x i we also include stratum indicator variables (a vector z i ): 2 It helps understand the conditional variant of this model to re-write the term α T z i as αs where day i falls in stratum s (thus vector α = (α1,…, αS)).
They concluded that HD patients have lower water content in the stratum corneum in addition to retention of middle molecules (B2 microglobulin, parathyroid hormone, and glycosylation end products), which are thought to cause pruritus.
In addition to conventional reservoirs in high-porosity and high-permeability strata, there are a large number of unconventional reservoirs in tight strata.
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In addition to being covered by a lipid film, the stratum corneum also has numerous intercellular lipids consisting of ceramids, cholesterol, and saturated free fatty acids [37].
