The Power and Sample Size Application
SAS Connections
Connections to SAS servers are defined in the Preferences window. To access the Preferences window, select → on the menu bar.
Click the SAS Connection tab to select or define a connection to a SAS server. A connection to a SAS server is required in order to calculate results. The server can be on your local (desktop) machine or on a remote machine.
You can define several SAS connections and choose the one you want to use. To select a previously defined connection, choose it from the list on the SAS Connection tab; see Figure 90.19.
Figure 90.19: SAS Connection Tab
To define a SAS connection, click the button. The Connection List window appears, as shown in Figure 90.20. To create a new connection, click . To edit an existing connection, select it in the Connection List and click .
Figure 90.20: Connection List
Defining a SAS Connection
After you click the or button, the Define SAS Connection window appears, as shown in Figure 90.21. If you clicked , the previously defined information is available for editing.
Figure 90.21: Define Connection Window
Enter a descriptive label for the connection. The label is used to distinguish among the connections in the connections list.
Then, select or to specify whether the SAS connection is to the local machine (that is, the one on which PSS is running) or to a remote machine, respectively.
Defining a Local Connection
To define a connection to the local machine, enter the full path name of (or browse for) the SAS executable file (sas.exe on Microsoft Windows).
Test the SAS connection by clicking the button.
Defining a Remote Connection
To define a connection to a remote machine, select either the or option to indicate that the remote SAS server is on a machine running the UNIX or Microsoft Windows operating systems, respectively. Then, specify the machine name and port number that the SAS/Connect spawner is using on the remote machine. Contact the SAS server administrator for this information.
If the remote machine is running Microsoft Windows, select the if authentication is required to access the SAS server (that is, if the SAS -security option is used). By default, authentication is required for SAS servers running on UNIX operating systems.
Test the SAS connection by clicking the button.
Additional Settings
Click the button on the Define SAS Connection window to access some additional settings for a remote connection to a SAS server. For the most part these settings are prompts that PSS expects to receive from the SAS/CONNECT spawner on the remote machine, as shown in Figure 90.22.
If the remote SAS server is on a UNIX machine, you must specify the full pathname of the SAS command. Contact the SAS server administrator for this information.
Figure 90.22: Connection Settings Window
