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ancova [2015/11/10 10:00]
hkimscil
ancova [2015/11/18 14:35] (current)
hkimscil
Line 51: Line 51:
 F-statistic:​ 8.713 on 3 and 68 DF,  p-value: 5.719e-05 F-statistic:​ 8.713 on 3 and 68 DF,  p-value: 5.719e-05
 </​code>​ </​code>​
 +
 +<​code>​library(multcomp)
 +dunnett = glht(model, linfct=mcp(Treat="​Dunnett"​))
 +</​code>​
 +
 +<​code>​summary(dunnett)
 +
 + Simultaneous Tests for General Linear Hypotheses
 +
 +Multiple Comparisons of Means: Dunnett Contrasts
 +
 +
 +Fit: lm(formula = Postwt ~ Prewt + Treat, data = anorexia)
 +
 +Linear Hypotheses:
 +                Estimate Std. Error t value Pr(>​|t|) ​   ​
 +CBT - Cont == 0    4.097      1.893   2.164 0.062939 .  ​
 +FT - Cont == 0     ​8.660 ​     2.193   3.949 0.000373 ***
 +---
 +Signif. codes: ​ 0 ‘***’ 0.001 ‘**’ 0.01 ‘*’ 0.05 ‘.’ 0.1 ‘ ’ 1
 +(Adjusted p values reported -- single-step method)
 +</​code>​
 +
  
 ====== ANCOVA (Analysis of Covariance) 2 ====== ====== ANCOVA (Analysis of Covariance) 2 ======
ancova.txt · Last modified: 2015/11/18 14:35 by hkimscil