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anova [2020/05/20 15:36] – [Example] hkimscilanova [2020/05/20 15:43] – [Example 2] hkimscil
Line 580: Line 580:
 F<sub>cal</sub> > F<sub>crit</sub> 이므로 3집단 간의 평균은 통계학적으로 의미가 있는 차이를 가지고 있다. F<sub>cal</sub> > F<sub>crit</sub> 이므로 3집단 간의 평균은 통계학적으로 의미가 있는 차이를 가지고 있다.
 ====== Example 2 ====== ====== Example 2 ======
-<code>x1 <- c(15, 20, 14, 13, 18, 16, 13, 12, 18, 41)+<code> 
 +x1 <- c(15, 20, 14, 13, 18, 16, 13, 12, 18, 41)
 x2 <- c(21, 25, 29, 18, 26, 22, 26, 24, 28, 21) x2 <- c(21, 25, 29, 18, 26, 22, 26, 24, 28, 21)
 x3 <- c(28, 30, 32, 28, 26, 30, 25, 36, 20, 15) x3 <- c(28, 30, 32, 28, 26, 30, 25, 36, 20, 15)
 </code> </code>
  
-<code>> data.frame(x1,x2,x3)+<code>> xc <- data.frame(x1,x2,x3)
    x1 x2 x3    x1 x2 x3
 1  15 21 28 1  15 21 28
Line 634: Line 635:
  
 <code> <code>
-> colnames(xs[1]) <- "wrong" +> colnames(xs)  <- c("wrong""condition")
-> colnames(xs[2]) <- "cond"+
 </code> </code>
  
-<code># cf+<code> 
 +# cf
 # lengthofelements <- length(x1) # lengthofelements <- length(x1)
 # varofvariable <- var(x1)</code> # varofvariable <- var(x1)</code>
Line 651: Line 652:
 ss_x3 ss_x3
  
-df_bet +ss_tot
-ss_bet +
 df_tot df_tot
-ss_tot 
  
 +ss_with
 df_with df_with
-ss_with 
  
 +ss_bet
 df_bet df_bet
-ss_bet 
- 
 </code> </code>
  
 <code> <code>
-df_tot <- length(xs$ind) - 1 +df_tot <- length(xs$wrong) - 1 
-ss_tot <- var(xs$values)*df_tot +ss_tot <- var(xs$wrong)*df_tot 
-var_tot <- var(xs$values)+var_tot <- var(xs$wrong)
  
 df_x1 <- length(x1)-1 df_x1 <- length(x1)-1
anova.txt · Last modified: 2022/09/30 09:02 by hkimscil

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