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From Open data file [Prepare data] is used to select some data files for analysis.

This window enables you to combine one or more data files for analysis and has an option to filter the combined file on a sub-set of the questionnaires.

Preparing the data

Title

This is the title that will be used for the combined data file  It should describe the data files and subset selected.

Data

Data files are added one at a time by using the Add button which invokes the Open data file.

The number of data files and the total number of questionnaires in those data files is shown.

Filter

You can use the displayed Logic definition user control to select only the records that pass the filter.

The number of records that pass the filter is shown.

Using the prepared data

Save as

You can save the combined data to a new data file.

Use now

This selects the combined data file as the data to be used by the calling window.