regression coefficient


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Related to regression coefficient: correlation coefficient
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Noun1.regression coefficient - 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
statistics - a branch of applied mathematics concerned with the collection and interpretation of quantitative data and the use of probability theory to estimate population parameters
parametric statistic - any statistic computed by procedures that assume the data were drawn from a particular distribution
linear regression, rectilinear regression - the relation between variables when the regression equation is linear: e.g., y = ax + b
References in periodicals archive ?
6); b the fth regression coefficient for linear (f = 1) and quadratic (f = 2) effects of the cows' age [x.
ni] is the estimated regression coefficient at county i.
This method produces a linear approximation of each regression coefficient and its variance without resampling procedures.
Thus, the variance in the error terms and the true standard deviation of the estimated regression coefficient may be understated; additionally, confidence intervals and tests using the t and F distributions may not be strictly applicable (Kutner et al.
HA, in terms of the percentage of goals scored by home teams, was derived from the Tincom' regression coefficient (beta) for match location (0=Away, 1=Home) using the following formula.
power consumption Subscripts 1-5 = regression coefficient a = air adp = apparatus dew point amb = ambient air data = based on heat pump performance data db = dry bulb evap = evaporator in = indoor return air m = mass flow rate max = maximum predicted = value calculated from model rat = at rating condition wb = wet bulb
The null hypothesis was that the regression coefficient for that variable was zero.
regression coefficient, 95% CI when using PI and outcomes height and weight, respectively: -4.
Furthermore, the regression coefficient for access and method discontinuation did not remain statistically significant after controlling for contraceptive use (-1.
The estimates of the regression coefficient suggest that increasing ProperFree from 66.