hw3 - Also write the equation with each cell of the matrix...

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1 PADP 8130 Spring 2012 Fertig UGA Homework 3 Due February 6, 2012 1. Go to UCLA Stata Topic webpage: http://www.ats.ucla.edu/stat/stata/topics/data_management.htm Read through the following modules: Combining Stata data files Reshaping data from wide to long Reshaping data from long to wide 2. Re-write the following equation using matrix notation.
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Unformatted text preview: Also write the equation with each cell of the matrix shown (assume that there are only 3 observations, i=1,2,3). ! = + ! ! ! + ! ! ! + ! 3. What is the inverse matrix of = 1 2 3 4 ? Prove that it is the inverse matrix by multiplying it with A to get the identity matrix....
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