The phrase "a necessary correlation" is correct and usable in written English.
It can be used when discussing the importance or requirement of a relationship between two or more variables or concepts.
Example: "In order to understand the impact of climate change on agriculture, it is essential to establish a necessary correlation between temperature changes and crop yields."
Alternatives: "an essential relationship" or "a vital connection".
The best-known, biggest-selling and most-established of these branded skin-whiteners goes by the disingenuous name of Fair and Lovely, as if there were a necessary correlation between the two conditions, with a range of slogans, including "the power of beauty".
In short, there is no evidence to support a necessary correlation between Bt cultivation and farmer-suicide.
Husserl's transcendental phenomenology has many facets, but one idea seems particularly significant: this is the idea of a necessary correlation between reality and consciousness (cf. Zahavi 2008, 361).
It is however not a necessary correlation, since some genotypes with high AAC and short cycle were present as well (Gladio and Sandora; Table 1).
Indirect evidence of retroprocessing without a necessary correlation with substitution rate was found mostly in families Alismataceae and Hydrocharitaceae (e.g., groups that suffered a rapid elimination of all their edited sites, without a change in substitution rate).
I disagree with the Court's rigid interpretation of the necessary correlation between a burden created by development and a condition imposed pursuant to the State's police power to mitigate that burden.
I also believe that there is no necessary correlation – especially in an extraordinary life – between the conspicuous public events and the deeper personal instincts and motivations that uniquely define each of us.
This may seem obvious and inevitable, but when you think about it, there is no necessary correlation between the substance of a person's theology and the amplitude of her religiosity.
If additional testing is not feasible, use the following approach to develop the necessary correlation.
As I told the writer of the post, there is no necessary correlation between historical accuracy and dramatic quality.
Sexual experience has no necessary correlation with sexual imagination, and neglect of this basic distinction is the second most exasperating thing about Carole Seymour-Jones's "Painted Shadow: The Life of Vivienne Eliot, First Wife of T. S. Eliot, and the Long-Suppressed Truth About Her Influence on His Genius" (Doubleday; $35).
