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Message-ID: <41E9AC4A-5DDF-4F48-A8EF-E74B33046456@sapo.pt> Date: 2012-08-03T07:22:23Z From: antonio.bsousa at sapo.pt Subject: Subset data Thanks to all The problem is fixed. What happened is that i was using the epicalc library and this way the program didn?t find the var edad11. Switching off epicalc everything is all rigth. Thanks again Antonio Sousa