coefficient : Idioms & Phrases

• noun a measure of the rate of decrease in the intensity of electromagnetic radiation (as light) as it passes through a given substance; the fraction of incident radiant energy absorbed per unit mass or thickness of an absorber
  absorption coefficient; absorptance.
  
  • absorptance equals 1 minus transmittance

WordNet

• (Math.), a literal coefficient placed arbitrarily in an algebraic, expression, the value of the coefficient being afterwards determined by the conditions of the problem.

Webster 1913

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

WordNet

• noun a measure of the rate of decrease in the intensity of electromagnetic radiation (as light) as it passes through a given substance; the fraction of incident radiant energy absorbed per unit mass or thickness of an absorber
  absorption coefficient; absorptance.
  
  • absorptance equals 1 minus transmittance

WordNet

• noun a coefficient of agreement (concordance) between different sets of rank orderings of the same set of things
  

WordNet

• 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

• noun the ratio of the drag on a body moving through air to the product of the velocity and the surface area of the body
  coefficient of drag.
  

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• noun (physics) the ratio of the applied stress to the change in shape of an elastic body
  elastic modulus; modulus of elasticity.
  

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• noun the fractional change in length or area or volume per unit change in temperature at a given constant pressure
  expansivity.
  

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• noun the ratio of the weight of an object being moved along a surface and the force that maintains contact between the object and the surface
  

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• noun a measure of the induction between two circuits; the ratio of the electromotive force in a circuit to the corresponding change of current in a neighboring circuit; usually measured in henries
  mutual inductance.
  

WordNet

• noun the fraction of radiant energy that is reflected from a surface
  reflectance; reflection factor; reflectivity.
  

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• noun the ratio of the electromotive force produced in a circuit by self-induction to the rate of change of current producing it, expressed in henries
  self-inductance.
  

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• noun a measure of the resistance to flow of a fluid under an applied force
  dynamic viscosity; absolute viscosity.
  

WordNet

• 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

• noun the result of mathematical differentiation; the instantaneous change of one quantity relative to another; df(x)/dx
  derivative; derived function; differential; first derivative.
  

WordNet

• the limit of the ratio of the increment of a function of a variable to the increment of the variable itself, when these increments are made indefinitely small.

Webster 1913

• noun the ratio of the drag on a body moving through air to the product of the velocity and the surface area of the body
  coefficient of drag.
  

WordNet

• (Math.), coefficients arbitrarily assumed for convenience of calculation, or to facilitate some artifice of analysis. Their values are subsequently determined.

Webster 1913

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

WordNet

• etc. (of a function of two or more variables), the differentials, differential coefficients, differentiation etc., of the function, upon the hypothesis that some of the variables are for the time constant.

Webster 1913

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

WordNet

• 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)
  fourfold point correlation; phi correlation.
  

WordNet

• 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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• 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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• 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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• noun when the regression line is linear (y = ax + b) the regression coefficient is the constant (a) that represents the rate of change of one variable (y) as a function of changes in the other (x); it is the slope of the regression line
  

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

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

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