I am getting different visuals of output for tukeys pairwise comparison ?   When I am using the following code: proc glm data=mydata; class tlr; model tlr_val=tlr; means tlr / tukey; run; output :     When I am using the following code: proc glm data=mydata1; class tlr; model tlr_val=tlr; means tlr / tukey; run; output :   See the differences in output format of tukeys test.  Not understanding why is it ?       ... View more