class: center, middle, inverse, title-slide # OLS ### Fin ### 23 September 2017 --- ##2 Observations `$$\left[\begin{array}{c}5\\ 2\end{array}\right]= \left[\begin{array}{c}1\\ 1\end{array}\right]\hat{\beta}_0+ \left[\begin{array}{c}5\\ 1\end{array}\right]\hat{\beta}_1+\mathbf{\hat{u}}= \left[\begin{array}{cc}1&5\\ 1&1\end{array}\right]\hat{\mathbf{\beta}}+\mathbf{\hat{u}}$$` <img src="OLS_slides_files/figure-html/unnamed-chunk-1-1.png" style="display: block; margin: auto;" /> --- ##2 Observations `$$\left[\begin{array}{c}5\\ 2\end{array}\right]= \left[\begin{array}{c}1\\ 1\end{array}\right]\hat{\beta}_0+ \left[\begin{array}{c}5\\ 1\end{array}\right]\hat{\beta}_1+\mathbf{\hat{u}}= \left[\begin{array}{cc}1&5\\ 1&1\end{array}\right]\hat{\mathbf{\beta}}+\mathbf{\hat{u}}$$` <img src="OLS_slides_files/figure-html/unnamed-chunk-2-1.png" style="display: block; margin: auto;" /> --- ##2 Observations `$$\left[\begin{array}{c}5\\ 2\end{array}\right]= \left[\begin{array}{c}1\\ 1\end{array}\right]\hat{\beta}_0+ \left[\begin{array}{c}5\\ 1\end{array}\right]\hat{\beta}_1+\mathbf{\hat{u}}= \left[\begin{array}{cc}1&5\\ 1&1\end{array}\right]\hat{\mathbf{\beta}}+\mathbf{\hat{u}}$$` <img src="OLS_slides_files/figure-html/unnamed-chunk-3-1.png" style="display: block; margin: auto;" /> --- ##2 Observations `$$\left[\begin{array}{c}5\\ 2\end{array}\right]= \left[\begin{array}{c}1\\ 1\end{array}\right]\hat{\beta}_0+ \left[\begin{array}{c}5\\ 1\end{array}\right]\hat{\beta}_1+\mathbf{\hat{u}}= \left[\begin{array}{cc}1&5\\ 1&1\end{array}\right]\hat{\mathbf{\beta}}+\mathbf{\hat{u}}$$` <img src="OLS_slides_files/figure-html/unnamed-chunk-4-1.png" style="display: block; margin: auto;" /> --- ##2 Observations `$$\left[\begin{array}{c}5\\ 2\end{array}\right]= \left[\begin{array}{c}1\\ 1\end{array}\right]\hat{\beta}_0+ \left[\begin{array}{c}5\\ 1\end{array}\right]\hat{\beta}_1+\mathbf{\hat{u}}= \left[\begin{array}{cc}1&5\\ 1&1\end{array}\right]\hat{\mathbf{\beta}}+\mathbf{\hat{u}}$$` <img src="OLS_slides_files/figure-html/unnamed-chunk-5-1.png" style="display: block; margin: auto;" /> --- ##3 Obersvations `$$\left[\begin{array}{c}5\\ 2\\ 3\end{array}\right]= \left[\begin{array}{c}1\\ 1\\ 1\end{array}\right]\hat{\beta}_0+ \left[\begin{array}{c}5\\ 1\\ 1\end{array}\right]\hat{\beta}_1+\mathbf{\hat{u}}= \left[\begin{array}{cc}1&5\\ 1&1\\ 1&1\end{array}\right]\hat{\mathbf{\beta}}+\mathbf{\hat{u}}$$`
--- ##3 Obersvations `$$\left[\begin{array}{c}5\\ 2\\ 3\end{array}\right]= \left[\begin{array}{c}1\\ 1\\ 1\end{array}\right]\hat{\beta}_0+ \left[\begin{array}{c}5\\ 1\\ 1\end{array}\right]\hat{\beta}_1+\mathbf{\hat{u}}= \left[\begin{array}{cc}1&5\\ 1&1\\ 1&1\end{array}\right]\hat{\mathbf{\beta}}+\mathbf{\hat{u}}$$`
--- ##3 Obersvations `$$\left[\begin{array}{c}5\\ 2\\ 3\end{array}\right]= \left[\begin{array}{c}1\\ 1\\ 1\end{array}\right]\hat{\beta}_0+ \left[\begin{array}{c}5\\ 1\\ 1\end{array}\right]\hat{\beta}_1+\mathbf{\hat{u}}= \left[\begin{array}{cc}1&5\\ 1&1\\ 1&1\end{array}\right]\hat{\mathbf{\beta}}+\mathbf{\hat{u}}$$`
--- ##3 Obersvations `$$\left[\begin{array}{c}5\\ 2\\ 3\end{array}\right]= \left[\begin{array}{c}1\\ 1\\ 1\end{array}\right]\hat{\beta}_0+ \left[\begin{array}{c}5\\ 1\\ 1\end{array}\right]\hat{\beta}_1+\mathbf{\hat{u}}= \left[\begin{array}{cc}1&5\\ 1&1\\ 1&1\end{array}\right]\hat{\mathbf{\beta}}+\mathbf{\hat{u}}$$`
--- ##3 Obersvations `$$\left[\begin{array}{c}5\\ 2\\ 3\end{array}\right]= \left[\begin{array}{c}1\\ 1\\ 1\end{array}\right]\hat{\beta}_0+ \left[\begin{array}{c}5\\ 1\\ 1\end{array}\right]\hat{\beta}_1+\mathbf{\hat{u}}= \left[\begin{array}{cc}1&5\\ 1&1\\ 1&1\end{array}\right]\hat{\mathbf{\beta}}+\mathbf{\hat{u}}$$`