Hedged and Unhedged Time Series

How do we obtain a hedged or unhedged time series of asset returns?
Asset class time series in the Windham-managed database are unhedged and denominated in USD by default, unless otherwise noted.
Examples of hedged time series returns

Base Currency

The WPA has the option to specify the base (denominated) currency of the analysis for a case file.
Base currency specification in the WPA
If the selection of assets are denominated in the default USD currency, a change in the base currency using the drop down editor will convert all selected assets to the specified base currency using the internal time series of spot rates.