The Depression, Anxiety, and Stress Scales (DASS) is a 42-item self report instrument designed to measure the three related negative emotional states of depression, anxiety, and stress. This dataset contained questions, answers, and metadata collected from 39,775 surveys. 

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Research question: Can we predict depression, anxiety, and stress? To prepare for our analysis, we calculated scores and categorical variables (normal, mild, moderate, severe, extremely severe) for depression, anxiety, and stress through for loops in R.