title: How do I get RSS from a linear model output
body: <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>