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Ordination or gradient analysis, in multivariate analysis, is a method complementary to data clustering, and used mainly in exploratory data analysis (rather than in hypothesis testing). In contrast to cluster analysis, ordination orders quantities in a (usually lower-dimensional) latent space. In the ordination space, quantities that are near ...
A curve of output against input. The areas of increasing, diminishing and negative returns are identified at points along the curve. There is also a point of maximum yield which is the point on the curve where producing another unit of output becomes inefficient and unproductive.
Source–sink dynamics is a theoretical model used by ecologists to describe how variation in habitat quality may affect the population growth or decline of organisms.. Since quality is likely to vary among patches of habitat, it is important to consider how a low quality patch might affect a population.
Also called resource cost advantage. The ability of a party (whether an individual, firm, or country) to produce a greater quantity of a good, product, or service than competitors using the same amount of resources. absorption The total demand for all final marketed goods and services by all economic agents resident in an economy, regardless of the origin of the goods and services themselves ...
For each sample along the gradient, a new species is introduced but another species is no longer present. The result is a sparse matrix. Ones indicate the presence of a species in a sample. Except at the edges each sample contains five species. Comparison of Correspondence Analysis and Detrended Correspondence Analysis on example (ideal) data.
(The Center Square) – After millions of illegal foreign nationals were released into the country through new parole programs created by the Biden administration, at least one million were ...
[5] If the variable being measured cannot take negative values, the Lorenz curve: cannot sink below the line of perfect inequality, is increasing. Note however that a Lorenz curve for net worth would start out by going negative due to the fact that some people have a negative net worth because of debt.
Doe’s lawsuit allegations against Carter. Yahoo Entertainment obtained Doe’s revised lawsuit, which was filed Dec. 8. It claims “Combs and Carter took turns assaulting the minor,” who ...