linear regression

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Related to Line fitting: Least squares fitting
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Noun1.linear regression - the relation between variables when the regression equation is linear: e.g., y = ax + b
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
regression toward the mean, simple regression, statistical regression, regression - the relation between selected values of x and observed values of y (from which the most probable value of y can be predicted for any value of x)
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
References in periodicals archive ?
It said in a report to the NHTSA that this can happen in ''severe environments'' when an aluminum fuel line fitting corrodes where it meets a brass supply valve housing on the fuel take.
The fuel line from the fuel strainer to the carburetor was disconnected at the carburetor and threads inside the fuel line fitting connect it to the carburetor exhibited corrosion and fretting.
Spacewalkers Doug Wheelock and Tracy Caldwell Dysonon attempted to repair the equipment on Saturday but their attempt was thwarted by a stubborn ammonia line fitting.
It's not difficult to imagine the Volvo line fitting in with the folks at Riverside Motors or the Parker Cos.