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proper incorporation of caution about correlation is not causation
'''Correlation''' refers to how a characteristic is common to a group, as in the '''correlation''' between hard work and success.
'''Correlation''' refers to how a characteristic is common to a group, as in the '''correlation''' between hard work and success.
Correlation is the mainstay of engineering and science. It is used to determine the relationships between factors (see [[cause and effect]]).
Correlation is the mainstay of engineering and science. It is used to determine the relationships between factors (see [[cause and effect]]).
When one factor changes, and another factor changes along with it, there is usually a direct relationship. Alternatively, both could be caused by a third factor; for example, two prices of unrelated goods increasing during a period of [[inflation]] (see also [[correlation is not causation]]).
==Links==
==Links==