Fig. 1From: Estimating dose-response for time to remission with instrumental variable adjustment: the obscuring effects of drug titration in Genome Based Therapeutic Drugs for Depression Trial (GENDEP): clinical trial dataThe inverse Gaussian (IG) model. Two hypothetical time paths of depression (one solid and one dashed) showing actual and linear smoothed depression scores. The participant’s depression score under the IG model evolves as Brownian motion with a trend but with random local changesBack to article page