afni.nimh.nih.gov

> Just to clarify from the previous message, I should be using the square root of the RESMS file? I assume
> I can take the square root with 3dcalc? Would this be the equivalent of taking in afni's "errts file"?

My guess is that RESMS is the mean-squared sum of the residuals. If possible, it would be better to directly obtain the residuals, which should have the same data points as your input data.

Gang