Stratified Sampling

Known as: stratified sample 
 
National Institutes of Health

Topic mentions per year

Topic mentions per year

2009-2017
012320092017

Papers overview

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2017
2017
BACKGROUND With the expansion and growth of research on neighbourhood characteristics, there is an increased need for direct… (More)
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2016
2016
In randomized clinical trials, the log rank test is often used to test the null hypothesis of the equality of treatment-specific… (More)
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2015
2015
There is a lack of accurate prevalence data on undernutrition and the risk of undernutrition among the hospitalised elderly in… (More)
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2015
2015
Scope of the study was (1) to develop a lean quantitative calibration for real-time near-infrared (NIR) blend monitoring, which… (More)
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2014
2014
Dementia is one of the world's major public health challenges. The lifetime risk of dementia is the proportion of individuals who… (More)
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2013
2013
BACKGROUND An important question in the design of experiments is how to ensure that the findings from the experiment are… (More)
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2013
2013
Observational studies are frequently conducted to compare the effects of two treatments on survival. For such studies we must be… (More)
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2013
2013
In this study we investigated the genotypic diversity and the migration patterns of Phytophthora infestans in the Nordic… (More)
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2009
2009
We propose an efficient stratified sampling (SS) algorithm for estimating the bit error rate (BER) of a digital communication… (More)
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