e3p - Math 127B Practice Exam 3 for R The exam does not...

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Unformatted text preview: Math 127B. Practice Exam 3 for R April 25, 2011 The exam does not make any claim to represent every type of problem that could be on the exam. This is a practice exam for anyone who plans to do the computer-based R exam. The problems below require that you do the computations in R. At the end of the exam you should save your R session and send me the R session file in addition to the PDF files. You should provide answers to the questions in the spaces below. You do not need to explain how you got the answer, that is what the session file is for. The dataset that you will need to download for the exam is called cps.dat . The problem is about the current population survey. The cps.dat file contains information about the employment status each person who was surveyed in 2010. There are four columns in the file, it is comma separated, and has a header row. Here is an explanation of what is in each column....
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This document was uploaded on 10/28/2011 for the course MATH 127B at Vanderbilt.

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e3p - Math 127B Practice Exam 3 for R The exam does not...

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