Input: Dummy variable gdrg set of alphanumeric variables icd_n* where star is a number from 1 to 100. Variables have values "test","test1",test2",...., "test100" character variable fab with values "fab1", "fab2",...."fab100" Output: A table counting all observations, excluding gdrg =0; Columns: fab1 to fab100 Rows: test1, test10, test50, test70 The thing is, test1,10,... can occur in all icd_n* variables. If the icd_n* value, which is selected for the rows, occurs together with another one of the selected row values within one observation but in different icd_n* variables, they should be accounted for separately. Hope that this explanation is more clear.
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