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Question: exercise1 the robust estimator of of the variogram cressie and...

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EXERCISE1 The robust estimator of of the variogram (Cressie and Hawkins (1980)) given by 1 uses the transformation 2s+h)-Z(s 0.494 27(h) Consider now the class of power transformations Z(s + h) - Z(s) 27(h) 름, a. Find the mean and variance of a λwhere λ- b. b. Let X ~ χ. Find and plot the pdf of Y-X, where λ- c. Find an estimator of the variogram when the transformations , 2 3 5 8 Z(s+ h) - Z(s) Z(s + h) - Z(are considered. and 2y(h) (See class notes for details)

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