I fit this model: repeated_measure_height <- lmer(HEIGHT~ISO+(TIME|EX_PLANT), data=x) I would like to test if the mean levels of ISO are sig diff. from each other (Is the difference greater than of less than 0). Thank you for all of the help in advance. kindest regards,
Stephen Sefick ************************************************** Auburn University Biological Sciences 331 Funchess Hall Auburn, Alabama 36849 ************************************************** sas0025 at auburn.edu http://www.auburn.edu/~sas0025 ************************************************** Let's not spend our time and resources thinking about things that are so little or so large that all they really do for us is puff us up and make us feel like gods. We are mammals, and have not exhausted the annoying little problems of being mammals. -K. Mullis "A big computer, a complex algorithm and a long time does not equal science." -Robert Gentleman