I used the packages multcomp and sciplot, to generate a generalized linear model and used a Turkey test. The code worked out fine, but in the output P<0.01 stands for *** and ** Does anybody know what went wrong ?
Simultaneous Tests for General Linear Hypotheses
Multiple Comparisons of Means: Tukey Contrasts
Estimate Std. Error z value Pr(>|z|)
0.471 3.932 <0.01 **
46.725 11.936 3.915 <0.01 **
104.089 12.350 8.428 <0.01 ***