Fig. 1From: How important is the linearity assumption in a sample size calculation for a randomised controlled trial where treatment is anticipated to affect a rate of change?Graphical summary of the structure of the simulation. DGM: data generating mechanism. LTFC: linear trajectories, free covariance model. FCTFC: free control-group trajectory, free covariance model. FTFC: free trajectories, free covariance modelBack to article page