noun
COLLOCATIONS FROM CORPUS
■ ADJECTIVE
clear
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There is no clear correlation between the number of injections and the degree of abnormality recorded.
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In Point Loma, for instance, there is no clear correlation between appreciation and airport noise zones.
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These classifications are able to separate groups of nodal lymphomas with a clear correlation between morphological features and clinical behaviour.
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It has long been known in education circles that a clear correlation exists between social class background and examination success.
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Recent work makes us much less confident that any such clear correlation is possible.
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Last year, Home Office research showed a clear correlation between recession and levels of property crime.
close
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We do not disagree in theory that there should be a closer correlation between actual price and the rate.
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In support of this theory there is evidence of a close correlation between activity of Crohn's disease and conditions within the intestinal lumen.
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Thus she thinks that there is a close correlation between the men she can seduce and the men she might marry.
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There is therefore a fairly close correlation between the owning and trading memberships.
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The close correlation between the data obtained from these two sources suggests that recall error is unlikely to be a confounding factor.
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There has always been a close correlation between the status of older people, and their personal achievement.
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Monthly sunshine figures often show a close correlation with rainfall and this held true for January 1993.
direct
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June Sheppard did not make a direct correlation between waste vills and regular plans on the basis of the limited evidence available.
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Most researchers doubt that there has ever been a strong direct correlation between Church policy and individual family planning decisions.
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There is thus believed to be a direct correlation between expected rewards and performance.
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Moreover there is a direct correlation between the degree of adherence to the principles and success.
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Over the years their percentage of television time has had a direct correlation to the increase in prize-money.
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But there is rarely any direct correlation between defective products and liability awards.
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For Robbe-Grillet, there was also a direct correlation between Balzacian realism as a literary form and the society which produced it.
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I believe there is a direct correlation between the creation of job opportunities and the number of nominees you see every year.
good
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Experiments with exogenous compounds showed a good correlation between amounts added and amounts measured.
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Particular attention may be needed in ensuring a good correlation with related records stored on other media.
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A very good correlation was observed with preoperative studies.
high
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Eysenck's theory depends on a high correlation between criminality and particular personality characteristics identified by personality tests.
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Evidence was cited from other economies to reveal a high correlation between the two.
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They found high rank correlations between these two measures.
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These factors increase the overall spread in their data and may have allowed a higher correlation between the measures.
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There is also a high correlation between productivity and publication in highly-ranked journals.
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In all cases the correlation of accident estimate with the other variables was higher than their correlation with risk ratings.
inverse
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By implication it is impossible to postulate any definite inverse correlation between changes in the real wage rate and changes in employment.
negative
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Numerous studies have shown a consistent negative correlation between age and participation in virtually every sporting activity.
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We found significant negative correlations in faeces between soluble fatty acids and bile acids and insoluble calcium and phosphate.
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If such balancing selection maintains a substantial fraction of life-history variation, it will generate negative genetic correlations among life-history traits.
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However, for exemplars of the less risky junctions a negative correlation was observed.
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This correlation is confirmed in the regression model which also shows a negative correlation with education level of project leader.
positive
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By producing trend and level analyses they suggest a positive correlation between publication rates of research groups and their output.
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For instance, there is a positive correlation between marital dissatisfaction and the reported intensity of premenstrual symptoms.
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This increase in gastric secretion showed a positive correlation to the total number of cigarettes smoked.
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A positive correlation of smoking with incidence of Alzheimer's has recently been observed.
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A positive correlation was observed between the gastric juice ammonium and severity of gastritis.
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The correlations were positive apart from the correlation with HDL/total cholesterol which was negative.
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There might even be some positive correlations between these two sets of variables.
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There was a positive correlation between the number of months elapsed since a patient's most recent attack and amylase secretion.
rank
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Statistical analysis of the data was performed using the Mann-Whitney U test for non-parametric data and Spearman's rank order correlation .
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Correlation were assessed with Spearman's rank correlation test.
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Between treatment comparisons were made using signed rank tests and correlations were sought using Spearman's rank correlation test.
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Statistical analysis was performed using the Mann-Whitney test and Spearman's rank correlation test as appropriate.
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Correlation between variables was calculated by Spearman's rank correlation .
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They found high rank correlations between these two measures.
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The method used is based on collecting and clustering bigram statistics using a rank correlation metric.
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The numbers are the rank correlation coefficients.
significant
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His only significant correlation is between the level of communication and democratic performance.
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We found significant negative correlations in faeces between soluble fatty acids and bile acids and insoluble calcium and phosphate.
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There was also a relatively minor but significant correlation between the rate of known opioid use and townships' population size.
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There was no significant correlation between the frequency of extrasystoles, either supraventricular or ventricular, and oxygen saturation values.
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The second important finding from this study is the significant correlation between faecal wet weight and stool fat.
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None the less, there is more than one pattern of results which could produce a significant average correlation between risk and recall.
statistical
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The criticisms have been both technical and ideological and some of them apply just as much to the statistical correlation studies.
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In a sense, this criticism is an extension of the issue of causation discussed earlier in relation to the statistical correlation studies.
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A statistical procedure called correlation is frequently used to calculate the agreement between two sets of figures.
strong
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Overall the strongest correlations are with clarity of problem definition, clarity of problem understanding and completeness of information.
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Most researchers doubt that there has ever been a strong direct correlation between Church policy and individual family planning decisions.
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There was, however, a strong correlation between the success of grant applicants and their satisfaction with the system.
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A solid majority shows strong correlation with disrespectful behavior, verbal abuse and physical aggression.
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This notion was further supported by the strong correlation revealed for cellular IgG1 proportions in healthy and affected ulcerative colitis twins.
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The study found a strong correlation between donations and voting records.
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As you might expect, studies show a strong correlation between marital dissatisfaction and infidelity.
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Both Lipset and Coleman find a strong correlation between indices of modernization and democratization.
■ NOUN
coefficient
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To measure associations, Pearson's correlation coefficient was used.
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For example, suppose that the correlation coefficient is zero.
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The relationships between variables were evaluated by the simple correlation coefficient and a multiple regression analysis.
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This particular measure is the square of the correlation coefficient which has been used throughout Chapters 4 and 5.
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Portfolios P 1a to P 5a are varied by making changes in the correlation coefficients .
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Correlation studies were performed using linear regression and Spearman's correlation coefficients were calculated.
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So beta merely uses the correlation coefficient to weight the ratio of the risks of the security and the market.
■ VERB
calculate
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Correlation coefficients were calculated by Spearman rank correlation test and, in selected instances, the chi square test.
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Spearman's Rank-Order Correlation Coefficient was calculated to determine the correlation between relative frequency and coverage.
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Correlation coefficients were calculated as Spearman rank correlations and comparison between the two methods by the sign test.
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The least square method was used in calculating the correlations .
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For each subject the correlation between this score and their familiarity ratings for the 10 junctions was calculated .
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Because subjects differ between the experiments the correlations calculated here are simply correlations over the 60 films of the mean ratings.
establish
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To establish a correlation is not necessarily to establish a connection.
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A notional/functional approach essentially seeks to establish correlations between systemic and schematic elements.
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They establish correlations and infer causal relations between the social status of these groups and their political power.
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He used the computer to establish correlations .
find
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Gray finds a correlation between global warming and industrialisation.
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Other researchers can always find a correlation weight and early death because fewer heavy people than slender people exercise, he says.
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We found significant negative correlations in faeces between soluble fatty acids and bile acids and insoluble calcium and phosphate.
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The study found a strong correlation between donations and voting records.
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They found high rank correlations between these two measures.
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Using past experience, the networks find correlations between approximately 100 sensory measurements.
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Yet even for inexpensive recreation pursuits we still find a strong positive correlation of participation with income.
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Researchers failed to find any correlation , even though milk contains approximately the same number of calories as juice.
observe
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The observed inter-element correlations are reflected by the four major factors identified in a principle component analysis.
show
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In this study the antigliadin antibody-IgG test was often abnormal on gluten free diet and showed almost no correlation with the microchallenge.
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It usually occurs in the first 6 months of treatment and does not show any correlation with the dosage.
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As you might expect, studies show a strong correlation between marital dissatisfaction and infidelity.
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A solid majority shows strong correlation with disrespectful behavior, verbal abuse and physical aggression.
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In this study we could not show correlation between pathological scores or their distribution and any clinical parameter.
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The investigations of Bergstein etal showed a correlation between the duration of raised PAI1 and renal outcome.
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Two scales showed a correlation with positive changes on an outcome measure - Spielberger State Anxiety Inventory.
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Although inconsistencies clearly exist, most studies of large bowel tumours show a very strong correlation between immunocytochemical positivity and p53 mutation.
use
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Abinitio calculations and computer analysis have been extensively used to demonstrate acceptable correlations between theoretical and experimental results.
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So beta merely uses the correlation coefficient to weight the ratio of the risks of the security and the market.
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Between treatment comparisons were made using signed rank tests and correlations were sought using Spearman's rank correlation test.
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Correlation data were analysed using the Spearman rank correlation method.
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Statistical analysis was performed using correlation coefficients, t tests, and Mann-Whitney U test.
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The method used is based on collecting and clustering bigram statistics using a rank correlation metric.
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The least square method was used in calculating the correlations .
EXAMPLES FROM OTHER ENTRIES
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Dawson argued that there is a strong correlation between teenage crime and low educational achievement.
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In tests, no correlation was found between diet and intelligence.
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One of the students asked whether there was any correlation between rainfall and temperature.
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The study examines the correlation of violence on television with children's behavior.
EXAMPLES FROM CORPUS
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A correlation curve indicates the distance over which the motion at one point significantly affects that at another.
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But beyond this, Cuvier had demonstrated unity of plan and correlation of the parts in organisms.
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Pearsons correlation coefficient was calculated to measure the association between continuous variables.
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Project Technical Success Table 8.5 presents the correlations between project technical success and the independent variables.
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Statistical analysis of the data was performed using the Mann-Whitney U test for non-parametric data and Spearman's rank order correlation .
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The correlation extends beyond this limited set of compounds.
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The problems come later, when you discover that there is a definite correlation between sales and your customer's hat sizes.
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These classifications are able to separate groups of nodal lymphomas with a clear correlation between morphological features and clinical behaviour.