I found a significant positive Spearman correlation between my IV and DV. Now I want to add a few confounders to the equation. However, I cannot run a linear regression since the association is not linear. I tried transforming my IV and DV but this didn't result in a linear association between them. What are my alternatives? Any suggestions will be very appreciated.

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  • $\begingroup$ Please include a scatterplot of the two variables. $\endgroup$ Jun 21 at 14:20

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