Stat-403/Stat-650 : Intermediate Sampling and Experimental Design ...

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Using Excel for StatisticsThe field names appear as a set of buttons on the right.A PivotTable can be structured into one, two or three dimensions and these are arranged in rows, columns and pages.* The fields used for defining the table structure should be dragged into the ROW, COLUMN and PAGE spaces.WarningThe fields used for defining structure should normally be factors, i.e. discrete, categorical variables (numeric, character or other types).Using a measurement variable could produce a large table of nonsense.The body of the table, labelled DATA, contains the variable(s) that you want to summarise in the table. The data fields will usually benumeric, but other data types are allowed, depending on what you want to summarise.Pivot table - Example 1The bank employment data used to produce these pivot tables were in a worksheet containing information on 474 employees hired by alarge employer. The worksheet includes the salary job category and several other human resource variables.We go through the steps to produce a table of mean CURRENT SALARY, classified by JOB and GENDER for the bank employment data.* Drag JOB and GENDER into the ROW and COLUMN spaces, respectively.* Drag the SALNOW variable (current salary) into the DATA space.The default summary statistic for numeric data is the Sum. To change this, and make other modifications,* double-click on "Sum of SALNOW".This opens the PivotTable Field dialog box. This is used to specify what you want to appear in the cells of the table, and how it should beformatted.27http://www.rdg.ac.uk/ssc/dfid/booklets/topxfs.html (7 of 15) [12/5/2002 21:29:55]
Using Excel for Statistics* First change the Name to "Mean Current Salary".* From the Summarize by: menu, select Average.* Click the Number button to open the format dialog box. Select comma-separated format with zero decimal places. (Other optionsavailable through the PivotTable Field dialog box will discussed later.)* When you have finished specifying the field, click OK to get back to the Step 3 dialog and click the Next button.* You will be asked where you want the table to go. Select "New worksheet" and click the Finish button.The following table should appear in a newly created worksheet:Making Changes to a pivot tableMost operations on PivotTables can easily be made interactively, so it is not critically important to get the table just right at the first shot.Changing the Table Layout* This is best done interactively, by dragging the field labels.* It is difficult to describe but very easy to do; so is best learnt by practice.Adding a fieldFor this and certain other operations, it is best to use the tools on the PivotTable toolbar:The first button on the toolbar gets you back to the PivotTable wizard. You can then add (or remove) fields in the same way that youconstructed the table.28http://www.rdg.ac.uk/ssc/dfid/booklets/topxfs.html (8 of 15) [12/5/2002 21:29:55]
Page 1 and 2: Stat-403/Stat-650 : Intermediate Sa
Page 3: Chapter 1Statistics - why the badim
Page 8 and 9: Problems With Using MicrosoftExcel
Page 10 and 11: The next example shows the help sup
Page 12 and 13: Knusel, Leo, “On the Accuracy of
Page 14 and 15: The latter tool is but one of many
Page 16 and 17: Is It Practical To Use Excel For St
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Page 42 and 43: BIOMETRICSINFORMATIONIndex of Pamph
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Page 46 and 47: Index of Pamphlet TopicsRegression2
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