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The apiclus2 data is a two-stage cluster sample.
The prevalence of tooth wear in a cluster sample of adolescent schoolchildren and its relationship with potential explanatory factors.
Let's use the two-stage cluster sample (we have introduced in blog (2)) "asiclus2" an an example.
Both the border and HABLAS surveys employed multistage cluster sample designs (response rates were 67%and76%6%, respectively).
We present evidence for dry mergers as the dominant source of BCG mass growth at z ≲ 1 in the XXL 100 brightest cluster sample.
Finally, I introduce preliminary results from maRCS (maxBCG Rich Cluster Sample), a volume and richness limited cluster sample in the redshift range 0.2<0.3.
DESIGN: Students aged 12 y (n = 2353) from a random cluster sample of 21 schools underwent detailed eye examinations.
PARTICIPANTS: Stratified cluster sample of adults age 65 years and older, with an oversampling of African Americans.
Implementing a cluster sample of local registration offices might be an option.
There were 1739 (77.7% of those eligible) 6-year-old students (863 girls and 876 boys) who were examined from a random cluster sample of 34 Sydney schools.
The two-stage stratified cluster sample comprised persons aged 30 years and over (n = 8,028).
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Justyna Jupowicz-Kozak
CEO of Professional Science Editing for Scientists @ prosciediting.com