“I love to see you at my table, Nick. You remind me of a — of a rose, an absolute rose. Doesn’t he?” She turned to Miss Baker for confirmation: “An absolute rose?”
This is consistent with the way Daisy (and Gatsby) interacts with people. It is pretty transparent that she is just complimenting Nick for attention, but the way she does it is pleasant and innocent so no one complains.
To help improve the meaning of these lyrics, visit “The Great Gatsby (Chapter I)” by F. Scott Fitzgerald and leave a comment on the lyrics box