linear regression

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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
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References in periodicals archive ?
The mathematics underpinning the calculation of the equation of the straight line of best fit in the least squares sense (or regression line) is not explained in the text.
The line of best fit is shown as a solid line ([r.sub.s] =-0.15, P=0.02).
Based on this line of best fit, the [pH.sub.H2O] was highest (8.4) at ~0.35 m, with values falling to ~6.4 at 2.0 m depth.
The analysts argue that ANZ is trading at an unjustifiable discount (P/B 11 percent below the Line of Best Fit versus a historical average of 4 percent below).
According to ( The Line of Best Fit , during the concert, FKA Twigs-whose real name is Tahlia Barnett-took a moment to thank her fans and audience attending the concert.
Creating a "line of best fit" between two variables involves a fairly simple computation known as linear regression.
He released his debut single Au Contraire on May 19, which Generator's Tipping Point describes as 'a bleak slice of menlancholia, sparsely arranged with just voice, acoustic guitar, and the barest ethereal chorus of backing vocal.' Prior to its release the single was streamed online and was immediately featured on music blogs The 405 The Line of Best Fit and played on Amazing Radio.
On top of the data dots I have superimposed a line of best fit. It is the line that corresponds most closely to the data dots - the one around which the deviations of the data dots are smallest.
A line of best fit was then graphed to better illustrate the trend of dichotomous accuracy across the spectrum of cut-off years.
If the regression curve is linear, the slope of the line of best fit is the initial velocity of the reaction.
ZKM trades below the line of best fit, clearly demonstrating, in our opinion, the market's belief that it will be able to continue enhancing its 2P reserves at the rate seen since the change of control in 2004.