Correlation
Meanings and phrases
correlation
- a reciprocal relation between two or more things; correlativity
- a statistic representing how closely two variables co-vary; it can vary from -1 (perfect negative correlation) through 0 (no correlation) to +1 (perfect positive correlation); correlation coefficient; coefficient of correlation
- a statistical relation between two or more variables such that systematic changes in the value of one variable are accompanied by systematic changes in the other; correlational statistics
n.
- a nonparametric measure of the agreement between two rankings; tau coefficient of correlation; Kendall's tau
n.
- the most commonly used method of computing a correlation coefficient between variables that are linearly related; product-moment correlation coefficient
biserial correlation
- a correlation coefficient in which one variable is many-valued and the other is dichotomous; biserial correlation coefficient
n.
- a correlation coefficient in which one variable is many-valued and the other is dichotomous; biserial correlation
chance-half correlation
- a correlation coefficient calculated between scores on two halves of a test; taken as an indication of the reliability of the test; split-half correlation
n.
- a statistic representing how closely two variables co-vary; it can vary from -1 (perfect negative correlation) through 0 (no correlation) to +1 (perfect positive correlation); correlation coefficient; correlation
n.
- a statistic representing how closely two variables co-vary; it can vary from -1 (perfect negative correlation) through 0 (no correlation) to +1 (perfect positive correlation); coefficient of correlation; correlation
- Pearson correlation coefficient is a measure of association between two variables, X and Y.
- statistics and time series analysis) to normalize the autocovariance function to get a time-dependent Pearson correlation coefficient.
- (2015) estimated the correlation between brain volume and intelligence to be about correlation coefficient of 0.24 which equates to 6% variance.
n.
- a two-way tabulation of the relations between correlates; row headings are the scores on one variable and column headings are the scores on the second variables and a cell shows how many times the score on that row was associated with the score in that column
n.
- any correlation in which the rates of change of the variables is not constant; nonlinear correlation; skew correlation
n.
- a correlation in which large values of one variable are associated with large values of the other and small with small; the correlation coefficient is between 0 and +1; positive correlation
- This could be a direct correlation between the weight of the animal and its habitual environment.
- The industry can now see the direct correlation on how fashion shows influence street-chic outfits.
- Because of this 29.97 rate, no direct correlation to film frames at 24 frames per second can be achieved.
first-order correlation
- a partial correlation in which the effects of only one variable are removed (held constant)
n.
- an index of the relation between any two sets of scores that can both be represented on ordered binary dimensions (e.g., male-female); phi coefficient; phi correlation
n.
- a correlation in which large values of one variable are associated with small values of the other; the correlation coefficient is between 0 and -1; negative correlation
n.
- a statistical technique that predicts values of one variable on the basis of two or more other variables; multiple regression
n.
- an estimate of the combined influence of two or more variables on the observed (dependent) variable
n.
- a correlation in which large values of one variable are associated with small values of the other; the correlation coefficient is between 0 and -1; indirect correlation
- The survey found a negative correlation between fear of death and "religious concern".
- It has a positive correlation with psychological distress, and a negative correlation with self-esteem.
- There is also a negative correlation between the fineness ratio and the swimming ability of reef fish larvae.
n.
- any correlation in which the rates of change of the variables is not constant; curvilinear correlation; skew correlation
n.
- a correlation between two variables when the effects of one or more related variables are removed
n.
- an index of the relation between any two sets of scores that can both be represented on ordered binary dimensions (e.g., male-female); phi coefficient; fourfold point correlation
n.
- a correlation in which large values of one variable are associated with large values of the other and small with small; the correlation coefficient is between 0 and +1; direct correlation
- A confounder node affects multiple outcomes, creating a positive correlation among them.
- An EU survey finds a positive correlation between leaving school early and believing in a God.
- There is a positive correlation found between outstanding executives and decisiveness (Kelman).
n.
- the most commonly used method of computing a correlation coefficient between variables that are linearly related; Pearson product-moment correlation coefficient
rank-difference correlation
- the most commonly used method of computing a correlation coefficient between the ranks of scores on two variables; rank-order correlation coefficient; rank-order correlation; rank-difference correlation coefficient
n.
- the most commonly used method of computing a correlation coefficient between the ranks of scores on two variables; rank-order correlation coefficient; rank-order correlation; rank-difference correlation
rank-order correlation
- the most commonly used method of computing a correlation coefficient between the ranks of scores on two variables; rank-order correlation coefficient; rank-difference correlation coefficient; rank-difference correlation
n.
- the most commonly used method of computing a correlation coefficient between the ranks of scores on two variables; rank-order correlation; rank-difference correlation coefficient; rank-difference correlation
n.
- any correlation in which the rates of change of the variables is not constant; curvilinear correlation; nonlinear correlation
split-half correlation
- a correlation coefficient calculated between scores on two halves of a test; taken as an indication of the reliability of the test; chance-half correlation
n.
- a correlation between two variables (e.g., between the number of electric motors in the home and grades at school) that does not result from any direct relation between them (buying electric motors will not raise grades) but from their relation to other variables
n.
- a nonparametric measure of the agreement between two rankings; Kendall's tau; Kendall rank correlation
tetrachoric correlation
- a correlation coefficient computed for two normally distributed variables that are both expressed as a dichotomy; tetrachoric correlation coefficient
n.
- a correlation coefficient computed for two normally distributed variables that are both expressed as a dichotomy; tetrachoric correlation
E.g.
- In fact, for any correlation between these times formula_35.
- A correlation between the two could be explored in future studies.
- There is no correlation between female size and number of offspring.
E.g.
- However, a strong correlation between the accessible surface area (ASA) exposed upon unfolding, i.e.
- The number of hours spent driving has a strong correlation to the number of fatigue-related accidents.
- Recent studies have shown a strong correlation between tick exposure and bartonellosis, including human bartonellosis.
E.g.
- There is no correlation between female size and number of offspring.
- Yet another possibility is that there is no correlation between formula_17 and formula_18.
- But there is no correlation between where GM crops are planted and the pattern of CCD incidents.
E.g.
- An EU survey finds a positive correlation between leaving school early and believing in a God.
- Studies have shown a positive correlation between school meal programs and increased food security.
- In females, there is a positive correlation between larger pleural sacs and greater egg length/number.
E.g.
- The contribution of each diagram to the correlation function must be divided by its symmetry factor.
- To compute a correlation function in the interacting theory, there is a contribution from the terms now.
- The Euclidean correlation function is just the same as the correlation function in statistics or statistical mechanics.