There is a beta version of the "ETL Time-Indexed Process Data" node that user can use in workspace.
In workspace node browser, click on "Node | Import New node", and browse to the Statistica installation folder, typically,
"C:\Program Files\Statistica\Statistica 13\DataMiner\NewNodes"
Find and import the file named "ETL-Time-Indexed.dmi". Then user could make use of "ETL Time-based (beta)" node in workspace for their analysis.