Chapter+8+Optional+Exercise

# Chapter+8+Optional+Exercise - . ofdataonpage151.. ofan

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Optional Exercise After Assignment 1 This optional exercise is designed to give you a little familiarity with JMP Data Tables  and some of the things you can do with them.  We are going to recreate all of the columns  of data on page 151.  We will do this through JMP “formulas.”  A formula takes the values  of an existing variable and manipulates them to obtain new variables.  If you have any  experience with formulas in an Excel spreadsheet, you will catch on to this quickly.  Even  without that experience, it is not hard. 1. Open the file “Example from page 151.jmp.  As before, you will see on the  N  = 23  observations from page 151.  Move you cursor anywhere in the Table to the right of  our existing variable and  right  click.  The first option in the menu that appears is  New Column .  Click on that and a control box for your new column will appear. 2. The first thing we want to do is change the  Column Name , which is currently  “Column 2.”  Highlight that name and just type over it.  Let’s call the variable  “Deviations.”   3. Next click on the drop-down box labeled  Column Properties .  The very first menu  option is  Formula .  Click on it and the formula box appears.

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