Description Usage Arguments Examples
View source: R/ES.anova.oneway.R
Calculating effect size (Cohen's f) of one-way anova for means with equal observations in each group
1 | ES.anova.oneway(data = NULL, sst = NULL, ssb = NULL)
|
data |
a matrix or data frame |
sst |
total sum of squares |
ssb |
sum of squares between groups |
1 2 3 4 5 | set.seed(9);x=rnorm(50);y=rnorm(50)
z=rnorm(50);d=data.frame(x,y,z)
ES.anova.oneway(data=d)
ES.anova.oneway(sst=50,ssb=1)
|
effect size (Cohen's f) of one-way anova test for means
f = 0.04246128
sst = 140.6374
ssb = 0.2531073
NOTE: small effect size: f = 0.1
medium effect size: f = 0.25
large effect size: f = 0.4
effect size (Cohen's f) of one-way anova test for means
f = 0.1428571
sst = 50
ssb = 1
NOTE: small effect size: f = 0.1
medium effect size: f = 0.25
large effect size: f = 0.4
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