- Is it possible to take account for non normal data in R when x is dichotomous?

- Is there another way to calculate power for an moderated mediation model when the moderator is continious than to use +/- 1SD of the moderator (w)? I could calculate Johnson-Neyman intervals for the x-w-y realationship and put the group split at the first significant value of the moderator for example.

Thank you and kind regards,

Alex