Does anyone know if there's an efficient way to create a single variable from multiple variables. For example, person was asked if they've ever had a condition, then asked to specify the condition. When the data was entered, each condition was listed as its own binary (yes/no) variable without standardizing the variable names. Condition X Y Z 1 1 0 0 1 0 0 1 0 0 0 0 1 0 1 0 I want it to look like this: Condition Condition_type 1 X 1 Z 0 1 Y Thanks!
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