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Results tagged with linear-regression
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user 56421
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Fitting a quadratic using regression when the y-intercept needs to be 0 [closed]
I'm trying to fit a quadratic $a_0 + a_1x + a_2x^2$ by Polynomial Regression:
$$
\begin{pmatrix}
n & \Sigma x_i & \Sigma x_i\\
\Sigma x_i & \Sigma x_i^2 & \Sigma x_i^3\\
\Sigma x_i^2 & \Sigma x_ …
- 101