Question: 1. Consider a data set in which each data point (vi,x) is associated with a weighting factor ri> 0, so that the sum-of-square error function

1. Consider a data set in which each data point (vi,x)

1. Consider a data set in which each data point (vi,x) is associated with a weighting factor ri> 0, so that the sum-of-square error function in linear regression becomes Find an expression for the solution w that minimizes this error function

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