Excel: Index Option Using Crosstab ReportWizard

ID: Q89501

The information in this article applies to:

SUMMARY

In version 4.0 of Microsoft Excel, the Crosstab ReportWizard contains an option for the Value field called Index which is not documented.


MORE INFORMATION

The formula used for creating the Index is as follows: 


   Index = (Value/Row_total)/(Column_total/Grand_total)


The definitions of the components of index are as follows: 


   Value=the value of the cell whose index you are computing.

   Row_total=the total for the row in which the value whose index you
   are computing exists

   Column_total=the total for the column in which the value whose index
   you are computing exists

   Grand_total=the grand total of all the column (or row values)


Example

Assume this is your database: 


A1: Name   B1: Answer  C1: Dues
A2: John   B2: Yes     C2: 25
A3: Mark   B3: Yes     C3: 25
A4: Kevin  B4: No      C4: 50
A5: David  B5: No      C5: 50


To create the Crosstab, choose Crosstab from the Data menu. Select "Name" for the Row Categories. Select "Answer" for the Column Categories. Select "Dues" for the Value fields and choose Options. Select Values and Index.

The index value for the Name "David" and the Answer "No" is 1.5, calculated as follows:

Value = 50
Row_Total = 50
Column_Total = 100
Grand_Total = 150
Index (50/50)/(100/50) = 1.5


REFERENCES

"User's Guide 1," version 4.0, pages 346-356

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Last Reviewed: March 26, 1999