How do I get RSS from a linear model output
<p>Below is a linear model output for a dataset consisting of a response variable and three explanatory variables. How do I get the RSS of the original regression?</p>

<pre><code>  Call:
  lm(formula = y ~ x1 + x2 + x3)
Residuals:
      Min      1Q  Median      3Q     Max
  -4.9282 -1.3174  0.0059  1.3238  4.4560
  Coefficients:
               Estimate Std. Error t value Pr(&gt;|t|)
  (Intercept) -7.056057   1.963805  -3.593 0.000481 ***
  x1           3.058592   0.089442  34.196  &lt; 2e-16 ***
  x2          -5.763410   0.168072 -34.291  &lt; 2e-16 ***
  x3           0.000571   0.165153   0.003 0.997247
  ---
  Signif. codes:  0 *** 0.001 ** 0.01 * 0.05 . 0.1   1
  Residual standard error: 1.928 on 116 degrees of freedom

Multiple R-squared:  0.9546,Adjusted R-squared:  0.9535
F-statistic:   814 on 3 and 116 DF,  p-value: &lt; 2.2e-16
</code></pre>