# correlation

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## Correlation

Statistical measure of the degree to which the movements of two variables (stock/option/convertible prices or returns) are related. See: Correlation coefficient.

## correlation

The relationship between two variables during a period of time, especially one that shows a close match between the variables' movements. For example, all utility stocks tend to have a high degree of correlation because their share prices are influenced by the same forces. Conversely, gold stock price movements are not closely correlated with utility stock price movements because the two are influenced by very different factors. The concept of correlation is frequently used in portfolio analysis. See also serial correlation.

## Correlation.

In investment terms, correlation is the extent to which the values of different types of investments move in tandem with one another in response to changing economic and market conditions.

Correlation is measured on a scale of - 1 to +1. Investments with a correlation of + 0.5 or more tend to rise and fall in value at the same time. Investments with a negative correlation of - 0.5 to - 1 are more likely to gain or lose value in opposing cycles.

## correlation

a statistical term that describes the degree of association between two variables. When two variables tend to change together, then they are said to be correlated, and the extent to which they are correlated is measured by means of the CORRELATION COEFFICIENT.

## correlation

A former appraisal term, replaced by reconciliation.
References in periodicals archive ?
Another aspect of the variability of correlated response is evident in studies that compare genetic correlations in a base population (estimated from half-sib or parent-offspring designs) to correlated responses obtained from selection.
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After he noted a possible link to urban growth models, Makse started to investigate how he might apply correlated percolation to the shapes of cities.
In her research, prosocial and social responsibility goal pursuit were moderately to highly correlated with each other and with several other variables such as students' effort (Wentzel, 1994, 1996).
Investigators correlated the results with meat quality attributes.
Daily particulate pollution correlated with mortality rates, while sulfur dioxide -- a gaseous pollutant long suspected of affecting mortality -- showed no effect.
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How accurately the arm's positionreaches the target,' says Kuperstein, "will depend on how well the target map weights allow the input map signals to be correlated with the limb-actuator representations.
The results demonstrated that T-cell vaccination was well tolerated and, importantly, induced T-cell regulatory immune responses which collectively correlated with substantial clinical improvement in treated patients.

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