Emacs ESS Mode - Tabbing for Comment Region

Question

I am using the Emacs-Speaks-Statistics (ESS) mode for Emacs. When editing R code, any comment lines (those starting with #) automatically get tabbed to the far right when I

Answer 1

Either

(setq ess-fancy-comments nil)

if you never want to indent single-# comments, or

(add-hook 'ess-mode-hook 
          (lambda () 
            (local-set-key (kbd "RET") 'newline)))

if you want to change the behavior of Enter so it doesn't indent.