# Regression Coefficient

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A Regression Coefficient is a fitting parameter on a regression model.

**See:**Function Argument, Regression Task, Slope Variable, Regression Algorithm, Function Fitting Task.

## References

### 2013

- http://www.thefreedictionary.com/regression+coefficient
- QUOTE: 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

### 2011

- http://mathworld.wolfram.com/RegressionCoefficient.html
- The slope b of a line obtained using linear least squares fitting is called the regression coefficient.