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See Crunch Automation basics for more information.

The REPLACE MULTIPLE DICHOTOMY FROM command allows you to convert a categorical array variable into a multiple response without creating a new one. It will overwrite in place the same variable alias.

REPLACE MULTIPLE DICHOTOMY FROM <array> [LABELS <string>, ..., <string>] SELECTED <category list>;

Example

REPLACE MULTIPLE DICHOTOMY my_array_variable 
    LABELS "Response 1", "Response2", "Response 3"
    SELECTED "Yes", "Maybe";