Dear all, concerne to my issue, I obtained different results between ANOVA and LSD TEST (agricolae package), and I ask me why
>anova <- aov(SS ~ Treatment*Lot) >summary(anova) Df Sum Sq Mean Sq F value Pr(>F) Treatment 7 0.0000534 7.622e-06 1.107 0.374 Lot 2 0.0000059 2.954e-06 0.429 0.654 Treatment:Lot 14 0.0001038 7.412e-06 1.077 0.401 Residuals 48 0.0003304 6.883e-06 > LSD.test(anova, "Treatment") Study: LSD t Test for SS Mean Square Error: 6.883013e-06 Trattamento, means and individual ( 95 %) CI SS std.err replication LCL UCL A30 0.02966558 0.0019037856 9 0.02583776 0.03349340 AM 0.02844520 0.0005186885 9 0.02740230 0.02948809 C30 0.02913658 0.0006792219 9 0.02777092 0.03050225 CM 0.02964944 0.0005398926 9 0.02856391 0.03073496 T30 0.02979624 0.0006920447 9 0.02840479 0.03118769 TS 0.02891764 0.0004981543 9 0.02791603 0.02991924 V30 0.03112188 0.0005157621 9 0.03008487 0.03215889 VM 0.03087886 0.0006874520 9 0.02949664 0.03226107 alpha: 0.05 ; Df Error: 48 Critical Value of t: 2.010635 Least Significant Difference 0.002486659 Means with the same letter are not significantly different. Groups, Treatments and means a A1 0.03112188 ab A2 0.03087886 ab B1 0.02979624 ab C1 0.02966558 ab D1 0.02964944 ab D2 0.02913658 ab B2 0.02891764 b C2 0.0284452 how is it possible? my mistake to set anova? Best regards, Roberto -- View this message in context: http://r.789695.n4.nabble.com/ANOVA-and-LSD-TEST-contrasting-results-tp4086090p4086090.html Sent from the R help mailing list archive at Nabble.com. ______________________________________________ R-help@r-project.org mailing list https://stat.ethz.ch/mailman/listinfo/r-help PLEASE do read the posting guide http://www.R-project.org/posting-guide.html and provide commented, minimal, self-contained, reproducible code.