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Select this option if the data source is to be a BitStream file. The Source tab layout is then as shown below - .
Figure 1 - The Source tab with Bitstream Files selected as the Source Type
- Datasource - this field contains a list of the available BitStream files. Select the required file to populate the Available list.
- Expression / Edit – click to open an expression editor window so you can create an expression to select the data you wish to be manipulated. The functionality in this window is the same as that for the Multiple Panelist Editor. For further details (go to Multiple Panelist Editor for more information).
- BitStream variables - select the required variables.
- Survey History Variables – check this box only if exporting data if the result is to be files, or if you wish to generate BitStream files.