c:ma:2023:schedule:anova_note
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| Both sides previous revisionPrevious revisionNext revision | Previous revision | ||
| c:ma:2023:schedule:anova_note [2023/09/20 23:38] – hkimscil | c:ma:2023:schedule:anova_note [2024/09/23 22:52] (current) – [Two way ANOVA (Factorial ANOVA)] hkimscil | ||
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| Line 1: | Line 1: | ||
| ====== ANOVA ====== | ====== ANOVA ====== | ||
| + | [[: | ||
| + | ====== ANOVA e.g.1 ====== | ||
| <code r> | <code r> | ||
| # ANOVA | # ANOVA | ||
| Line 88: | Line 89: | ||
| f.res <- (aov(sa$sam~sa$group)) | f.res <- (aov(sa$sam~sa$group)) | ||
| summary(f.res) | summary(f.res) | ||
| + | </ | ||
| + | ====== ANOVA e.g. 2 ====== | ||
| + | <code R> | ||
| ########################## | ########################## | ||
| # http:// | # http:// | ||
| Line 167: | Line 170: | ||
| </ | </ | ||
| ====== Two way ANOVA (Factorial ANOVA) ====== | ====== Two way ANOVA (Factorial ANOVA) ====== | ||
| + | [[: | ||
| + | [[: | ||
| <code r> | <code r> | ||
| ################################################# | ################################################# | ||
| Line 282: | Line 286: | ||
| alpha <- .05 | alpha <- .05 | ||
| + | # confidence interval | ||
| + | ci <- 1 - alpha | ||
| f.a | f.a | ||
| Line 287: | Line 293: | ||
| # qt 처럼 qf 사용 | # qt 처럼 qf 사용 | ||
| # qf(alpha, df.between, df.within, lower.tail=F) 처럼 사용 | # qf(alpha, df.between, df.within, lower.tail=F) 처럼 사용 | ||
| - | qf(alpha, df.a, df.within, lower.tail = F) | + | qf(ci, df.a, df.within) |
| + | # 혹은 | ||
| + | # qf(alpha, df.a, df.within, lower.tail = F) | ||
| + | # 도 마찬가지 | ||
| pf(f.a, df.a, df.within, lower.tail = F) | pf(f.a, df.a, df.within, lower.tail = F) | ||
| f.b | f.b | ||
| - | qf(alpha, df.b, df.within, lower.tail = F) | + | qf(ci, df.b, df.within) |
| pf(f.b, df.b, df.within, lower.tail = F) | pf(f.b, df.b, df.within, lower.tail = F) | ||
| f.ab | f.ab | ||
| - | qf(alpha, df.ab, df.within, lower.tail = F) | + | qf(ci, df.ab, df.within) |
| pf(f.ab, df.ab, df.within, lower.tail = F) | pf(f.ab, df.ab, df.within, lower.tail = F) | ||
c/ma/2023/schedule/anova_note.1695253115.txt.gz · Last modified: by hkimscil