Sorry. broken Engrish. I tried to give comment on Sweave by force. rawcode=T is necessary for an option(If you need comment). try wget http://r.nakama.ne.jp/CommentOnSweave/SweaveProfile R_PROFILE=SweaveProfile R CMD Sweave hoge.Rnw -- EI-JI Nakama <nakama at ki.rim.or.jp> "\u4e2d\u9593\u6804\u6cbb" <nakama at ki.rim.or.jp>