# Editing the Parameters

The parameters for any Data Function can be edited as needed. Editing parameters is an optional step. Statistica data functions can be run without editing any parameters.

## Procedure

1. To open the Edit Parameters dialog box in the Spotfire instance,
   - Go to Edit > Data Function Properties > Edit Parameters option; or
   - In the Statistica Integration dialog box, click Edit Parameters button.
2. You can configure the input parameters, to provide appropriate values.
   Note: Parameter names match the node names in workspace. The changes made to the parameters in Spotfire, get propagated to the workspace at run time.
3. To configure output parameters, click on the Output tab in the Edit Parameters dialog box.
4. After the parameters are edited, click OK.
   This invokes the Statistica engine in the background. The input parameters are replaced in the workspace according to the specifications made in the Edit Parameters dialog box. The workspace is run and outputs are displayed in Spotfire.

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