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Use the Base header variable when you wish to include a base or total column that displays counts only (no percentages) in the table, without being nested under any of the header variables. Note the difference between the tables shown below.
Figure 1 - Using "include totals" on the header variable
Figure 2 - Using the Base object
The text N is used by default, but you can change this (go to Custom Texts for more information).
Note: Base (N) and Statistics (Count) (go to Statistics for more information)may well return different results, and this difference will be the number of Don’t Know (DK) answers. You can make N and Count the same by setting a weight for the DK answers. If the two values are the same (a weight has been set), then you can use either value in a report. If however the values are different, then you must ensure you always use only Count (to include the DK data) or only N (to omit the DK data).
Weighted Tables
The "Weighted Tables" setting is relevant when a weight model is applied to the report, folder or page. Use it to specify whether the base displayed should be an un-weighted base (weights not applied to the totals), or a weighted base (weights applied to the totals).