Let \mathbf{p}^0 be the discrete

  1. True or False:\text {KL}(\mathbf{P}||\mathbf{Q})\geq 0 for all discrete distributions \mathbf{P} and \mathbf{Q}. True False
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  2. Let \mathbf{p}^0 be the discrete pmf that we wish to test the goodness of fit for an observed sequence of iid samples. Let
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  3. Suppose that K = 3, and let E =\{ 1, 2, 3\}. Let X_1, \ldots , X_ n \stackrel{iid}{\sim } \mathbf{P}_{\mathbf{p}} for some
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  4. As above, under the statistical model ( \{ 1,2,3 \} , \{ \mathbf{P}_{\mathbf{p}} \} _{\mathbf{p} \in \Delta _3}), we haveL_{12}(
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  5. As in the previous problem, we consider the matrixH = I_ n - \frac{1}{n} \mathbf{1} \mathbf{1}^ T and for simplicity let n = 3.
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  6. Let \widehat{\mathbf{p}} denote the MLE for a categorical statistical model ( \{ a_1, \ldots , a_ K \} , \{
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  7. Recall the statistical set-up above. Recall that X_1, \ldots , X_ n \stackrel{iid}{\sim } \mathbf{P} are iid from an unknown
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  8. n n\times n matrix \mathbf{M} has “full rank"i.e. \, \text {rank}(\mathbf{M})=n\, if and only if its determinant is non-zero.E
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  9. Let us compute the t-SNE output for the isoceles triangle as in the previous problem.Recall we are given 3 points in 2
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  10. An n \times n matrix \mathbf{A} is invertible if and only if \mathbf{A} has full rank, i.e. \mathrm{rank}(\mathbf{A}) = n.Which
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