Cluster analysis involves the problem of optimal partitioning of a given set of entities into a pre-assigned number of mutually exclusive and exhaustive clusters. Here the problem is formulated in two ...

Journal of Agricultural, Biological, and Environmental Statistics, Vol. 4, No. 3 (Sep., 1999), pp. 310-325 (16 pages) Yields from a series of variety trials within a region may show heterogeneous ...

Carol M. Kopp edits features on a wide range of subjects for Investopedia, including investing, personal finance, retirement planning, taxes, business management, and career development. Michael Boyle ...

Objective Physical activity (PA) is associated with a decreased incidence of dementia, but much of the evidence comes from short follow-ups prone to reverse causation. This meta-analysis investigates ...

Around 10 percent of Japanese elementary and junior high school students have suffered health problems due to fragranced products such as laundry soap and perfumes, according to a current survey. The ...

Daily blueberry powder given to infants during complementary feeding modestly influenced allergic symptom resolution and shaped immune biomarker–microbiota associations. Findings suggest early diet ...

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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