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Math Help - Simple Linear Regression

  1. #1
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    Oct 2010
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    Simple Linear Regression

    In Simple Linear Regression model

    i have the hat matrix
    <br />
h_{ij}=\dfrac{1}{n}+\dfrac{(x_i-\bar{x})(x_j-\bar{x})}{S_{xx}}<br />

    <br />
h_{ii}=\dfrac{1}{n}+\dfrac{(x_i-\bar{x})^2}{S_{xx}}<br />


    what does the behavior of quantities as  x_i moves farther from \bar{X}?
    Last edited by a2878323; October 28th 2010 at 07:56 AM.
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