Difference between revisions of "Correlation"
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(to determine the relationships between factors) |
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'''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]]). | ||
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| + | 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== | ||
Revision as of 13:39, January 3, 2009
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).
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).
