I do a lot of health research with large data sets (e.g., Canadian Community Health Survey, General Social Survey). One of the outcomes I am interested in is depression, specifically persons' scores on a short-form depression scale. However, this DV is extremely skewed because most people do not suffer from depression.
Code:
Depr. scale - | short form | score - (D) | Freq. Percent Cum. ---------------+----------------------------------- 0 | 21,432 91.47 91.47 1 | 33 0.14 91.61 2 | 100 0.43 92.04 3 | 200 0.85 92.89 4 | 307 1.31 94.20 5 | 381 1.63 95.83 6 | 510 2.18 98.01 7 | 347 1.48 99.49 8 | 120 0.51 100.00 ---------------+----------------------------------- Total | 23,430 100.00
Any insight would be helpful!
Cheers,
David.
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