Outcome-dependent sampling (ODS) schemes can be a cost effective way to enhance study efficiency. The case-control design has been widely used in epidemiologic studies. However, when the outcome is ...
Many biomedical observational studies attempt to relate a continuous outcome to an environmental exposure and other important covariates. If the outcome is easier or cheaper to measure relative to the ...
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Categorical vs. Continuous Data: What’s the Difference?
Data analysis is a fundamental process in any project. However, data can be lumped into different types, with categorical and ...
In today's business world, decisions are driven by data. All departments—from marketing to engineering to sales to operations—rely on data to measure progress, understand customers and inform strategy ...
Investopedia contributors come from a range of backgrounds, and over 25 years there have been thousands of expert writers and editors who have contributed. Thomas J. Brock is a CFA and CPA with more ...
Adam Hayes, Ph.D., CFA, is a financial writer with 15+ years Wall Street experience as a derivatives trader. Besides his extensive derivative trading expertise, Adam is an expert in economics and ...
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