Sentence examples for for small strata from inspiring English sources
Allocation will be performed by a central independent research assistant after getting informed consent, screening, and checking the in- and exclusion criteria, using Schouten's (1995) adaptive biased urn randomization for small strata.
An independent statistician generated a computerized randomization list using Adaptive Biased Urn Randomization for small strata [ 49], which keeps randomization unpredictable up to and including the last patient on each site, while keeping the group sizes at each site in good balance.
Others see the privately financed schemes as evidence they are delivering for only a very small strata of society.
Stratifying by reasons for use led to small strata, but did not suggest confounding by indication (Table 2).
However, we probably reduced the impact of these shortcomings since we calculated VE for small age strata among elderly patients, for whom annual influenza vaccination is generally recommended in Germany.
Due to small strata in this analysis, we broke the matched pairs and adjusted for age using the same categories used in the frequency matched studies.
Nonetheless we detected significant associations within these small strata.
To detect a difference of 6 points on the VAS, with a standard deviation of 14 points and a power of 80% (α 2-sided = 0.05), a minimum number of 85 elderly persons are required for the smallest stratum.
The "rich" people in Japan are certainly a small stratum of society.
With a fixed sample size, it may be difficult to identify interactions between chemicals because the number of observations will diminish as smaller and smaller strata are examined for each additional chemical-by-chemical interaction considered.
The logarithmic increase of the traffic with larger sets can be explained by the compression of strata estimators: the k-th strata samples the set with probability 2−k, and for small input sets, the strata tends to contain long runs of zeros that are more easily compressed.
