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- > dat
- num_bloc F E y
- 1 bloc1 T B 0.0695
- 2 bloc2 T B 0.1540
- 3 bloc3 T B 0.0634
- 4 bloc1 C B 0.0770
- 5 bloc2 C B 0.0746
- 6 bloc3 C B 0.1020
- 7 bloc1 P B 0.0825
- 8 bloc2 P B 0.0559
- 9 bloc3 P B 0.0832
- 10 bloc1 T B.Br 0.0891
- 11 bloc2 T B.Br 0.1050
- 12 bloc3 T B.Br 0.1150
- 13 bloc1 C B.Br 0.1580
- 14 bloc2 C B.Br 0.0989
- 15 bloc3 C B.Br 0.1510
- 16 bloc1 P B.Br 0.1020
- 17 bloc2 P B.Br 0.0751
- 18 bloc3 P B.Br 0.0655
- 19 bloc1 T B.S 0.1020
- 20 bloc2 T B.S 0.0755
- 21 bloc3 T B.S 0.0631
- 22 bloc1 C B.S 0.0705
- 23 bloc2 C B.S 0.0782
- 24 bloc3 C B.S 0.0751
- 25 bloc1 P B.S 0.0826
- 26 bloc2 P B.S 0.0800
- 27 bloc3 P B.S 0.0996
- 28 bloc1 T B.S.Br 0.0850
- 29 bloc2 T B.S.Br 0.0688
- 30 bloc3 T B.S.Br 0.0727
- 31 bloc1 C B.S.Br 0.0762
- 32 bloc2 C B.S.Br 0.0880
- 33 bloc3 C B.S.Br 0.0751
- 34 bloc1 P B.S.Br 0.0694
- 35 bloc2 P B.S.Br 0.0619
- 36 bloc3 P B.S.Br 0.0627
- >
- full0 <- lme(y~F*E,control=lmeControl(opt = "optim"),
- random=~1|num_bloc/E,data=dat,method='ML',
- contrasts = list(F='contr.treatment'),na.action="na.exclude")
- full <- update(full0,weight=varIdent(form = ~ 1 | E*F))
- main0 <- lme(y~F+E,control=lmeControl(opt = "optim"),
- random=~1|num_bloc/E,data=dat,method='ML',
- contrasts = list(F='contr.treatment'),na.action="na.exclude")
- main <- update(main0,weight=varIdent(form = ~ 1 | E*F))
- anova(full,main)
- Model df AIC BIC logLik Test L.Ratio p-value
- full 1 26 -174.1895 -133.0180 113.0948
- main 2 20 -175.5688 -143.8985 107.7844 1 vs 2 10.62064 0.1008
- > contrast(emmeans(full0,~F),method="trt.vs.ctrl")
- NOTE: Results may be misleading due to involvement in interactions
- contrast estimate SE df t.ratio p.value
- C - T 0.00513 0.00856 16 0.599 0.7690
- P - T -0.01189 0.00856 16 -1.390 0.3123
- Results are averaged over the levels of: E
- P value adjustment: dunnettx method for 2 tests
- > contrast(emmeans(full,~F),method="trt.vs.ctrl")
- NOTE: Results may be misleading due to involvement in interactions
- contrast estimate SE df t.ratio p.value
- C - T 0.00513 0.00973 16 0.527 0.8110
- P - T -0.01189 0.00905 16 -1.314 0.3482
- Results are averaged over the levels of: E
- P value adjustment: dunnettx method for 2 tests
- > contrast(emmeans(main0,~F),method="trt.vs.ctrl")
- contrast estimate SE df t.ratio p.value
- C - T 0.00513 0.00902 22 0.568 0.7857
- P - T -0.01189 0.00902 22 -1.318 0.3392
- Results are averaged over the levels of: E
- P value adjustment: dunnettx method for 2 tests
- > contrast(emmeans(main,~F),method="trt.vs.ctrl")
- contrast estimate SE df t.ratio p.value
- C - T 0.000686 0.00469 22 0.146 0.9773
- P - T -0.011254 0.00222 22 -5.072 0.0001
- Results are averaged over the levels of: E
- P value adjustment: dunnettx method for 2 tests
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