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Unformatted text preview: STA 6866 Fall 2011 Assignments Andrew Womack & Luis Leon-Novello For all problems where coding is necessary, you must submit your code along with your answers to any questions. Solutions must be well organized and easy to follow. Assignment 1: Assigned Aug 22, Due Sep 7 Exercises: 1.4, 1.10, 1.12, 1.14, 2.5, 2.18 Additional Problem 1: Go to the class website and download the dataset hw1.csv . Per- form the following analyses of this data set: 1. Produce a summary of each variable in the data set. 2. Produce a scatterplot of y versus x.i for each i as well as boxplots for y versus g.i 3. Determine whether there are any possible independence issues among the g.i 4. Produce an appropriate linear model of y , presenting and explaining the output of the linear model. 5. Produce a residual plot. Interpret. Refit the model if any of the residuals seem too large. 6. Output the linear model to a file....
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- Fall '11