Ecology, January 1st, 1996
This paper reveals that key factor analysis, a popular method of life table analysis, cannot address the central issue of population dynamics: the pattern of population fluctuation and its causal mechanism. The basic idea of key factor analysis is to identify factors that contribute significantly to the variation in population. Several statistical methods to identify a key factor have subsequently been proposed in the literature. These are, in terms of the familiar relationship, K = [k.sub.1] + [k.sub.2] + . . . + [k.sub.n], to correlate K with a k, regress K on a k, or regress a k on K, the l...
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