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README.md

-# ML depresion paper
+# Twitter ML depression study
 
 ML study performed to develop models that predict depressive users in Twitter. 
 
 The problem is regarded as a binary classification challenge, where a user can be classified as either:
 - CONTROL
-- DEPRESSIVE
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+- DEPRESSIVE
+
+The data employed to generate predictive models was originally described in the following paper:
+- https://www.jmir.org/2019/6/e14199/
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