11.7

58功效分析

install.packages("pwr")

library(pwr)

线性模型

pwr.f2.test(u=3,f2=0.0769,sig.level=0.05,power=0.90)

 

 

方差分析

pwr.anova.test(k=2,f=0.25,sig.level=0.05,power=0.9)

t检验

pwr.t.test(d=0.8,sig.level=0.05,power=0.9,type="two.sample",alternative="two.sided")

 

 60logistic回归

install.package("AER")

library(AER)

data(Affairs,package="AER")

summary(Affairs)