Expansion Factors

This is a tool that is located on the Sample Adequacy section of the Sample Adequacy tab.

Function

The Expansion Factors interface () is used to calculate expansion factors for each Functional System, Urban Code, and Volume Group stratum.

This interface hosts the Data Table and Year dropdown controls, alongside these controls:

Controls	Used To...
View Expansion Factors Button	View expansion factors previously calculated for the selected HPMS Data Table.
Calculate Expansion Factors Button	Calculate expansion factors for the selected HPMS Data Table.
Show Problematic Factors Only Checkbox	Filter expansion factors that do not exceed a maximum of 100.000, the FHWA recommended value.

There is a Workflow equivalent of this article in the Help Guide. Click here to view that article.