correlation : Idioms & Phrases

Index

biserial correlation

  • noun a correlation coefficient in which one variable is many-valued and the other is dichotomous
    biserial correlation.
WordNet

biserial correlation coefficient

  • noun a correlation coefficient in which one variable is many-valued and the other is dichotomous
    biserial correlation.
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chance-half correlation

  • noun 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.
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coefficient of correlation

  • noun 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.
    • what is the correlation between those two variables?
WordNet

correlation coefficient

  • noun 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.
    • what is the correlation between those two variables?
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correlation matrix

  • noun a matrix giving the correlations between all pairs of data sets
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Correlation of energy

  • the relation to one another of different forms of energy; usually having some reference to the principle of conservation of energy. See Conservation of energy, under Conservation.
Webster 1913

Correlation of forces

  • the relation between the forces which matter, endowed with various forms of energy, may exert.
Webster 1913

correlation table

  • noun 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
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curvilinear correlation

  • noun any correlation in which the rates of change of the variables is not constant
    curvilinear correlation; nonlinear correlation.
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direct correlation

  • noun 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.
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first-order correlation

  • noun a partial correlation in which the effects of only one variable are removed (held constant)
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fourfold point correlation

  • noun 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.
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indirect correlation

  • noun 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.
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kendall partial rank correlation

  • noun a nonparametric measure of partial correlation
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kendall rank correlation

  • noun a nonparametric measure of the agreement between two rankings
    Kendall's tau; Kendall rank correlation.
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multiple correlation

  • noun a statistical technique that predicts values of one variable on the basis of two or more other variables
    multiple regression.
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multiple correlation coefficient

  • noun an estimate of the combined influence of two or more variables on the observed (dependent) variable
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negative correlation

  • noun 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.
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nonlinear correlation

  • noun any correlation in which the rates of change of the variables is not constant
    curvilinear correlation; nonlinear correlation.
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partial correlation

  • noun a correlation between two variables when the effects of one or more related variables are removed
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pearson product-moment correlation coefficient

  • noun the most commonly used method of computing a correlation coefficient between variables that are linearly related
    Pearson product-moment correlation coefficient.
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phi correlation

  • noun 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.
WordNet

positive correlation

  • noun 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.
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product-moment correlation coefficient

  • noun the most commonly used method of computing a correlation coefficient between variables that are linearly related
    Pearson product-moment correlation coefficient.
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rank-difference correlation

  • noun the most commonly used method of computing a correlation coefficient between the ranks of scores on two variables
    rank-difference correlation; rank-difference correlation coefficient; rank-order correlation.
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rank-difference correlation coefficient

  • noun the most commonly used method of computing a correlation coefficient between the ranks of scores on two variables
    rank-difference correlation; rank-difference correlation coefficient; rank-order correlation.
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rank-order correlation

  • noun the most commonly used method of computing a correlation coefficient between the ranks of scores on two variables
    rank-difference correlation; rank-difference correlation coefficient; rank-order correlation.
WordNet

rank-order correlation coefficient

  • noun the most commonly used method of computing a correlation coefficient between the ranks of scores on two variables
    rank-difference correlation; rank-difference correlation coefficient; rank-order correlation.
WordNet

skew correlation

  • noun any correlation in which the rates of change of the variables is not constant
    curvilinear correlation; nonlinear correlation.
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split-half correlation

  • noun 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.
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spurious correlation

  • noun 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
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tau coefficient of correlation

  • noun a nonparametric measure of the agreement between two rankings
    Kendall's tau; Kendall rank correlation.
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tetrachoric correlation

  • noun a correlation coefficient computed for two normally distributed variables that are both expressed as a dichotomy
    tetrachoric correlation.
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tetrachoric correlation coefficient

  • noun a correlation coefficient computed for two normally distributed variables that are both expressed as a dichotomy
    tetrachoric correlation.
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