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1A mutual relationship or connection between two or more things.
‘research showed a clear correlation between recession and levels of property crime’
‘There was a clear correlation between restoration of weight and the rate of wound healing.’
‘As far as the core features are concerned, there is a clear correlation between the size of the company and the likelihood of its displaying all five core features.’
‘Overall these papers reinforce the idea that the evidence for a correlation between income inequality and the health of the population is slowly dissipating.’
‘In that study, a positive correlation between clear observations and seasonality could not be found.’
‘Most children must learn fairly early in their television viewing lives that there is not an exact correlation between advertising claims and the truth.’
‘Intuitively, one would expect to find a significant correlation between employee engagement and what a business produces.’
‘Moreover, as Lomborg points out, there is a strong correlation between increased prosperity and environmental improvement.’
‘These results showed a clear correlation between quality of life and the level of air pollutants.’
‘A negative correlation between triangulation and intimacy has also been demonstrated.’
‘Research finds an observable correlation between trade relations and improved warmth of feeling.’
‘There is a clear correlation between literacy and growth (though the direction of causation was not all one way).’
‘There is a clear correlation between petrol price and consumption.’
‘The survey also found a clear correlation between leadership and progress on this agenda.’
‘The clear correlation between climate and vegetation becomes more obscure at a local scale.’
‘I'm stretching a point here, but I hope the correlation between food choices and advertising is clear.’
‘English-speaking children very soon catch on to the correlation between the conceptual distinction and the distributional cues for it.’
‘‘Our research shows that there is a clear correlation between experience and proclivity to buy,’ he said.’
‘Back in the Fifties sociological research found that there was a clear correlation between how society viewed people and the prevailing political attitudes.’
‘Each bone displays an intimate correlation between form and function.’
‘One factor that raises variance is a positive correlation between genetic and environmental variables.’
1.1Statistics Interdependence of variable quantities.
‘He took up this post in January 1927 and his first published papers are on the theory of correlation.’
‘Because of the high degree of intercorrelation among the needs variables, we used correlation, cluster, and regression analysis to aid data reduction.’
‘Also, we used nonparametric correlation tests in bivariate analyses that included these variables.’
‘The Spearman rank correlation coefficient was computed to assess correlation between continuous variables.’
‘I reordered the values so that there was a maximum positive correlation between the two variables.’
1.2Statistics A quantity measuring the extent of interdependence of variable quantities.
‘The average of the two correlations was used to quantify the dependence of tests conducted within the interval.’
‘On the contrary, the correlation between estimated and true liabilities was 0.80 over a wide range of parameters.’
‘For all variance components, the correlation between the two results is close to 1.’
‘Just as was done on the 13 individual test scores, we can go further and measure the correlations among these four group factors.’
‘Thus statistical correlations derived from quantitative research can be further explained using qualitative techniques.’
1.3The process of establishing a relationship or connection between two or more measures.
‘On the other hand, as mentioned in the previous section, path analysis does not allow any correlation among the error terms.’
‘Within parentals, we used correlation to investigate the relationship between body weight and risk.’
‘This allows for rapid correlation of sequence data with biological functions.’
‘In more detail, correlation of the data with surface geology allows controls to be placed on the deep structure of the orogenic units and the age of the reflections.’
‘Ammonites are abundant and diverse and allow correlation with the standard Albian section of the Anglo-Paris Basin.’
‘The sediments are noted for their rich ammonoid faunas, which allow detailed biostratigraphic subdivision and correlation.’
‘The need for good fossil data for correlation remains critical.’
Origin
Mid 16th century: from medieval Latin correlatio(n-), from cor- together + relatio (see relation).